11 best ac power conditioners

AC power conditioners are electrical devices designed to improve the quality of electrical power supplied to electronic equipment and protect it from various power-related issues. They are commonly used in industrial and commercial settings to ensure a stable and clean power supply to sensitive equipment.Here are some key aspects of AC power conditioners:

  1. Voltage Regulation: Power conditioners can stabilize the voltage supplied to connected devices. Fluctuations in voltage can damage or cause malfunctions in sensitive electronics. Power conditioners typically maintain the output voltage within a specified range, even when input voltage variations occur.

  2. Surge Protection: Power conditioners often include surge protection capabilities. They can suppress high-voltage spikes or surges caused by lightning strikes, power grid issues, or other transient events. Surge protection helps prevent damage to connected equipment.

  3. Noise Filtering: AC power conditioners filter out electrical noise and interference, such as harmonics, electromagnetic interference (EMI), and radio-frequency interference (RFI). This filtering ensures a cleaner and more stable power supply, reducing the risk of equipment malfunction.

  4. Frequency Regulation: Some power conditioners also offer frequency regulation, maintaining a consistent output frequency even if the input frequency varies. This is important for sensitive equipment that relies on precise timing.

  5. Isolation: Isolation transformers can be integrated into power conditioners to electrically separate connected devices from the main power source. This can help protect against voltage spikes and reduce common-mode noise.

  6. Backup Power: Some power conditioners have built-in battery backup systems, allowing critical equipment to continue operating during power outages. These devices are often referred to as uninterruptible power supplies (UPS).

  7. Display and Monitoring: Many power conditioners feature displays and monitoring capabilities, providing real-time information about voltage, current, frequency, and other power-related parameters. This helps operators keep track of the power quality and system status.

  8. Customization: Power conditioners come in various sizes and configurations to meet the specific needs of different applications. Some can be tailored to support single-phase or three-phase power systems.

  9. Installation: Proper installation is crucial to ensure the effectiveness of power conditioners. They should be installed by qualified technicians who can assess the specific requirements of the equipment and environment.

In summary, AC power conditioners play a crucial role in maintaining the quality and reliability of electrical power supplied to sensitive electronic equipment. They offer protection against voltage fluctuations, surges, noise, and other power-related issues, helping to extend the lifespan and ensure the proper functioning of valuable equipment.

Below you can find our editor's choice of the best ac power conditioners on the market
  

Furman AC-215A Compact Power Conditioner with Auto-Resetting Voltage Protection - Black

Furman

Based on 260 reviews Check latest price

Product description

The AC-215A is specifically designed for today's diverse power purification applications. This compact unit can be mounted behind a projector; LCD or plasma screen; inside of a rack; on a wall or a ceiling; or any other location where discrete power conditioning is needed. Its compact, streamlined design integrates easily into any system, and the included brackets allow you to mount it inconspicuously.

  • Furman's exclusive SMP Technology provides the highest level of surge & spike protection available.
  • LiFT offers linear AC power filtering to ensure clean power for unequaled audio & video clarity
  • Auto-Reset EVS circuitry detects dangerous voltage irregularities and safely powers down itself and connected equipment in unsafe conditions
  • Compact chassis design easily attaches to any flat screen television mount or any other remote location; 10 amp rating featuring circuit breaker
  • From the #1 brand in professional power conditioning. Perfect for plasma/LCD TVs, projectors, home recording, DJ equipment, pro audio rigs and home entertainment systems.

User questions & answers

Question: Does the unit balance the power within particular ranges? For example, would it add voltage during Brownouts? If not recommendations welcome
Answer: I think you need to look at high quality UPS especially one that can rectify voltage/current or go to battery for outage. I bought a CyberPower CP1500PFCLCD PFC Sinewave UPS System recently and it's working flawlessly. Although for high-end audio you may want a Furman P-1800 PFR as power regulator. I actually use both in series and place my high-end audio equipment behind the P-1800 PFR.
Question: Will this take the 60 cycle hum out of my home tube amp
Answer: Hum has nothing to do with surge suppression. You either have an un-screened signal cable or a ground loop. Try connecting ALL equipment to the SAME outlet.
Question: Does this need to be plugged directly into the wall outlet, or can it be plugged into a strip? Can I connect a strip to this unit safely
Answer: The warranty is void if the unit is plugged into anything but an outlet. The warranty language does not seem to address plugging strips INTO the unit. See also Dan J's response, above.
Question: The prior unit (ac-215) said that its surge protection was "non-sacrificial." this one does not say that. is it
Answer: The AC-215A manual says: "Traditional surge suppression circuits sacrifice themselves when exposed to multiple transient voltage spikes, requiring the dismantling of your system and repair of your surge suppressor. Not so with Furman’s SMP. Damaging transient voltages are safely absorbed, clamped, and dissipated. Your connected equipment is protected, while your Furman protects itself!"

Product features

Furman AC-215A Compact Power Conditioner with Auto-Resetting Voltage Protection - Black

The Furman AC-215A Compact Power Conditioner discreetly provides clean and safe power to electronic devices. The Series Multi-Stage Protection (SMP) ensures that components are protected without sacrificing the power conditioner, while the Extreme-Voltage Shutdown guards against over-voltages, such as in an open neutral event. The AC-215 offers Linear Filtering Technology (LiFT), reducing AC line noise, providing clean power for high-performance audio and video.

Series Multi-Stage Protection safeguards electronics

Series Multi-Stage Protection (SMP) provides virtually maintenance-free surge suppression, assuring the highest level of AC protection possible, without sacrificing itself when the offending surge is severe. This means no damaged equipment, no service calls, and no downtime.

Extreme-Voltage Shutdown guards against over-voltage conditions

The Extreme-Voltage Shutdown automatically disconnects power to connected devices when the unit experiences an over-voltage of 137 volts or higher, protecting electronics from open neutral conditions and avoiding expensive replacement costs. It detects dangerous voltage irregularities and safely powers down itself and connected equipment when conditions endanger your components and automatically reconnects when power returns to a safe level.

Linear Filtering Technology (LiFT) ensures clear sound

LiFT ensures that all devices connected to the Furman AC-215A receive clean, filtered power, which reduces noise and ensures better sound and picture quality from TVs, computers, and other electronics.

Design is ideal for compact spaces

Measuring 1.75 by 5 by 8.5 inches (H x W x D) and weighing just three pounds, the Furman AC-215A is ideal for small spaces, such as behind a television or on a media stand.

SereneLife SLPAC10 10,000 BTU Portable 3-in-1 Air Conditioner for Rooms Up to 450 Sq. Ft

SereneLife

Based on 4 reviews Check latest price

Product description

SereneLife Model SLPAC10Compact & Portable Room Air ConditionerPortable Air Conditioner - Compact Home A/C Cooling Unit with Built-in Dehumidifier & Fan Modes Includes Window Mount Kit (10 000 BTU) Features Lightweight & Portable A/C UnitCompact Freestanding Room Air Conditioner Operation Modes AC Cooling / Dehumidifier / FanHassle-Free Quick Setup CoolingSimple Electric Plug-in OperationConvenient Wide-Area Climate Control Room AC CoverageDigital Touch Button Control Panel with LED DisplayTime Temperature & Fan Speed Adjustment SettingsIncludes Universal Window Mount AC Exhaust KitRemovable & Washable Air Filter ScreenModern Style Sleek Body Housing Energy Efficient Low Power ConsumptionLow Noise Level Motor Rolling Wheels for Easy PortabilityUsed for Home Office School & Business Rooms What’s in the Box AC UnitExhaust HoseWindow Installation PlateRemote ControlTechnical Specs Cooling Power 10 000 BTURated Power 1150WCoverage Area Cools Rooms up to 270+ Square FeetAir Flow 290 Cubic Meters / HourOperating Modes Cool / Fan / Dry (Dehumidifier)Moisture Removal / Dehumidifier 1 5 Liters / HourOperating Noise Level 52-56 dBAFan Speed Settings Low/Medium/HighTemperature Unit Selectable °C / °F (Celsius / Fahrenheit)Adjustable Timer Settings Up to 24 HoursConstruction Material Engineered ABS HousingBattery Operated Remote Control Requires x ‘AAA’ Batteries IncludedPower Cable Length 7 0’ ft Power Supply 120VDimensions (L x W x H) 17 4’’ x 13 4’’ x 32 1’’ -inchesThe SereneLife Portable Air Conditioner - Compact Home A/C Cooling Unit with Built-in Dehumidifier & Fan Modes Includes Window Mount Kit (10 000 BTU) - Lightweight & Portable Cooling Power! - Hassle-Free Quick Setup A/C Unit - Compact Room Air Conditioner - Simple Electric Plug-in Operation - Operation Modes AC Cooling / Dehumidifier / Fan - Automatic Swing Mode Moving Wind Vents for Air Circulation - Includes Universal Window Mount Exhaust Kit - Removable & Washable Air Filter Screen - Modern Style Sleek Body Housing - Digital Touch Button Control Panel - Time Temperature & Fan Speed Adjustment Settings - Convenient Climate Control in Rooms up to 270+ Square Feet - Energy Efficient Low Power Consumption - Low Noise Level Motor - Rolling Wheels for Easy Portability

  • Dimensions: 17.4’’ L x 13.4’’ W x 32.1’’ H | Weight: 62.1 lbs
  • Your purchase includes: Portable Air Conditioner, Window Mount Kit, Quick Setup Guide, Remote Control (batteries not included).
  • Handy and portable the SereneLife portable air conditioner system features a lightweight handy sleek body design intended to be used in the bedroom living room or garage at home or office It features rolling wheels for easy portability
  • 3 operating modes The compact floor AC indoor cooler conditioning unit features a simple electric Plug in operation and has 3 modes - Cooling dehumidifier and fan Also features automatic swing mode W/ moving wind vent for maximum air circulation
  • Built-in dehumidifier you don’t only get the cooling effect of the portable AC but it also helps reduce humidity levels acts as purifier which makes your home less hospitable to allergens such as dust mites & mildew by selecting dehumidifier mode
  • Remote control features a digital touch button control panel which includes the power mode timer temperature and fan speed settings Other functions such as unit selector (°C/°F) Sleep key can be adjusted using the included remote control
  • 10 000 BTU Cooling power with 1150W rated power and 10 000 BTU Cooling power the cold air can cover a room up to 350+ sq Ft Air flow is rated at 290 M3/hr moisture removal/dehumidifier at 1 5 liters/hr W/ an operating noise level of only 52-56 dB

Product features

SereneLife 10,000 Portable Air Conditioner with Built-in Dehumidifier, Fan Modes, Remote Control, Complete Window Exhaust Kit for Rooms

The SereneLife Portable Air Conditioner System features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office. It features rolling wheels for easy portability.

With 10000 BTU cooling power, this is the best option to save space and money, he cold air can cover a room up to 350+ sq ft Air flow is rated at 290 m3/hr, moisture removal/dehumidifier at 15 liters/hr w/ an operating noise level of only 52-56 dBa.

The Serene Life Portable Air Conditioner System

You don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, acts as purifier which makes your home less hospitable to allergens such as dust mites, mold, mildew by selecting dehumidifier mode.

The compact floor AC indoor cooler conditioning unit features a simple electric plug in operation and has 4 modes - cooling, heating, dehumidifier and fan. Also features automatic swing mode w/ moving wind vent for maximum air circulation.

Digital Remote Control Air Conditioner

Lets you control fan speed and temperature from a distance. Need to adjust the A/C? No need to get up from your work to do it.

Low Noise Level Motor Rolling Wheels

This kit allows you to hook up your portable air conditioner and cool your home, despite the unconventional setup.

Moisture Removal / Dehumidifier

Pulls warm air from the room, sends it past coils cooled by refrigerant, and then sends heated air and moisture in hose and out of the house.

Freestanding Room Air Conditioner

This features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office.

Furman Power Conditioner, Silver (PST-6)

Furman

Based on 196 reviews Check latest price

Product description

For over 30 years, Furman has pioneered the development of AC power products for the most demanding audio, video, and broadcast professionals. With Furman's Power Station Series, everyone can reap the benefits of unrivaled power purification and unequalled surge protection. Today's overworked, outdated power grid delivers poor quality AC power. When connecting sensitive equipment to regular power outlets, AC noise masks and distorts critical signal information which cripples performance. This is why it's more important that ever to purify or clean the AC powering your sensitive audio/video equipment. The PST-6 gives you the high level of protection of a Furman power conditioner, but without all of the advance features that the other Power Station products possess. Also, it is contained in a sturdy aluminum chassis.

  • Advanced surge suppression with zero ground contamination offers superior protection over a standard power strip
  • Cable satellite and Telco connectors deliver advanced protection to connected equipment
  • Compact design enables discrete placement
  • Sturdy Aluminum chassis
  • From the #1 brand in professional power conditioning. Perfect for instrument rigs, home recording, DJ equipment, pro audio rigs and home entertainment systems
  • Advanced surge suppression with zero ground contamination offers superior protection over a standard power strip.
  • Cable satellite and Telco connectors deliver advanced protection to connected equipment
  • Compact design enables discrete placement

User questions & answers

Question: Can the plug be ordered for Swiss/EU standards
Answer: Thats something Furman probably should answer.
Question: Can items like the following be plugged into this unit: electrical fans, as in air filtration, compressors, refridgerators and LED grow light systems
Answer: Some equipment manufactures of electrical fans and other types of equipment listed will advise you not to use surge pertection equipment.
Question: How much power conditioning
Answer: The PST-6 gives you the high level of protection of a Furman power conditioner, but without all of the advanced features that other Power Station models possess. Surge protection and filtration housed in a sturdy aluminium chassis.
Question: Does this have same power conditioning as cheaper pst-2+6? looking to stop hum/buzz in two fishman sa220s daisy chained for a solo acoustic performer
Answer: Yes. (Per the company website https://www.furmanpower.com/product/15a-8-outlet-surge-suppressor-strip-PST-2%2B6 )

Tripp Lite 600W 120V Power Conditioner, Automatic Voltage Regulation (AVR), AC Surge Protection, 6 Outlets (LS606M)

Tripp Lite

Based on 145 reviews Check latest price

Product description

Tripp Lite Line Conditioner LS606M - Line conditioner - 600 Watt - 6 output connector(s)

  • 600W 120V LINE CONDITIONER: Maintains usable 120V nominal output to sensitive electronics during severe brownouts and overvoltages. Prevents surges and spikes from damaging circuitry. Filters out potentially disruptive line noise.
  • 6 OUTLETS: Connect up to 6 electronic devices to the rear NEMA 5-15R outlets. Compact unit (5.5 in. high) features NEMA 5-15P plug. Rated at 120V/600W/5A. Ideal for computers, routers, modems, printers, home theater components and point-of-sale equipment.
  • AUTOMATIC VOLTAGE REGULATION (AVR): Monitors incoming AC power and keeps equipment working through brownouts and prolonged overvoltage conditions. Corrects undervoltages as low as 85V and overvoltages up to 147V. Boosts input voltages below 102V by 13.4%. Reduces input voltages above 130V by 10.4%.
  • SURGE SUPPRESSION: 720 joules of network-grade surge suppression protects against potentially harmful power surges and spikes.

User questions & answers

Question: Would i use this before a ups or ater it? either way it goes, will this keep me at 120v consistantly
Answer: Thank you for reaching out about the LS606M. Yes, this will maintain a constant 120V and you would use this before a UPS. If you would like to discuss your application, please contact our Chicago-based Presales Applications Team at 773.869.1773 (M-F 8AM-6PM Central) and they will happily assist you.  
Question: Can I still use a surge protector with this or is it overkill
Answer: The LS606M features 720 joules of network-grade surge suppression that protects against potentially harmful power surges and spikes. For assistance finding a product that would work best with your set up, we would need more information about your application. The best thing to do is to reach out our Chicago-based Presales Applications Team at 773-869-1773 (M-F 8AM-6PM Central) or [email protected].
Question: Does this utilize an autoformer to correct under/over voltage
Answer: This is what I see in the specifications: "Corrects undervoltages as low as 85V and overvoltages up to 147V. Boosts input voltages below 102V by 13.4%. Reduces input voltages above 130V by 10.4%. SURGE SUPPRESSION: 720 joules of network-grade surge suppression protects against potentially harmful power surges and spikes." I personally don't have the equipment to verify this actually works - I presume it does.
Question: Need to plug it into a surge protector
Answer: According to Tripp Lite it provides 720 joules of surge protection, so the short answer is no. The long answer would involve knowing if or how often power surges exceed that figure. I don't know the answer to that or even if a power company would know or divulge that information (for fear of being sued), but it's important to remember no surge protector will protect against lightning strikes.

Product features

600W 120V Line Conditioner Keeps Your Equipment Running Thro

Don’t let power surges, spikes and line interference ruin your day…or your expensive electronics. The Tripp Lite LS606M Power Conditioner protects your equipment against the harmful effects of brownouts, as well as disruptive EMI/RFI line noise that can cause performance problems and distort or destroy valuable data. It automatically adjusts under- and overvoltages to provide safe, computer-grade AC power that meets ANSI C84.1 specifications.

Automatic Voltage Regulation Maintains Nominal Voltage

To protect connected equipment from the harmful effects of voltage fluctuations, built-in automatic voltage regulation (AVR) with two levels of voltage stabilization provides a targeted response to overvoltages, undervoltages and severe brownouts. This line conditioner corrects brownouts as low as 85V and overvoltages up to 147V back to safe, nominal 120V power. Providing optimum voltage conditions not only extends the life of your equipment, but also keeps your equipment working through brownouts and prolonged overvoltage conditions.

6 Outlets Accept a Wide Range of Electronic Devices

Plug your PC, laser printer, scanner, router, modem, television, stereo receiver and other home/office electronics into six NEMA 5-15R AC outlets to protect them against dangerous surges, spikes and line noise. The LS606M maintains nominal 120V power, which helps prevent lights from dimming or appliances from shutting down during use due to changes in voltage.

Premium Protection from EMI/RFI Line Noise Helps Your Equipm

Various electromagnetic and radio sources found in virtually every home and business can cause disruptive interference on the AC line. Known as EMI (electromagnetic interference) and RFI (radio frequency interference), this line noise is a common cause of performance problems. The LS606M filters out disruptive line noise that can disturb your electronics and inflict hardware damage or data loss.

Network-Grade Surge Suppression Safeguards Your Electronics

720 joules of surge protection defend your components against even the strongest surges and spikes. Because residential power outlets have three wires—hot line (H), neutral (N) and ground (G)—the LS606M protects all three, covering the two protection modes: full normal mode (H-N) and common mode (N-G/H-G).

Easy-to-Read Diagnostics for Monitoring Your Equipment at a

When the LS606M is plugged into an outlet and turned on, its three LED indicators keep you constantly apprised of your incoming power’s condition. Green indicates your AC line voltage is normal. The yellow Boost light means the LS606M is boosting low voltage to nominal 120V levels, and the yellow Trim light means high voltage is being trimmed down to nominal 120V levels. You will also hear a clicking sound when the unit is correcting high or low voltage.

Compact Design Fits Easily Into Almost Any Suitable Applicat

At just 5.5 inches in height, the compact cabinet easily integrates into your home or office workspace, home theater, lab bench, retail establishment or anywhere else clean, regulated power is needed. The six-foot AC power cord with NEMA 5-15P plug allows the line conditioner to reach distant outlets with room to spare.

Includes the Latest Safety Features

A lighted on/off button provides convenient one-touch control over every component connected to the unit. An integrated circuit breaker protects all outlets and automatically shuts down connected equipment in case of overload. The LS606M conforms to IEEE 587 Category A and B surge suppression specifications and UL 1012 (U.S.), cUL (Canada) and NOM (Mexico) safety standards.

2-Year Warranty, Ultimate Lifetime Insurance and Environmentally Responsiblity

The LS606M comes with a 2-year warranty and Ultimate Lifetime Insurance for any connected components damaged by a power surge (U.S., Canada and Puerto Rico only). It’s manufactured in compliance with strict RoHS specifications, reflecting Tripp Lite’s commitment to environmental responsibility.

Why Choose Tripp Lite?

Founded in 1922 in Chicago, Illinois, Tripp Lite is a leading manufacturer of products to power, protect, manage, house, cool, connect and mount your equipment. From the largest data center to the smallest home office, Tripp Lite products keep your equipment running effectively and efficiently. Whether you need to supply power to servers and have reliable battery backup, connect high-resolution video sources to displays and digital signs, or organize and secure IT equipment in rack enclosure cabinets, Tripp Lite has the complete solution. Plus, before and after your purchase, our Chicago-based, in-house technical support specialists are available to assist you by phone, email and live chat. With over 95 years of quality products and service, Tripp Lite is a brand you can trust.

SereneLife SLPAC8 8,000 BTU Portable Air Conditioner, 3-in-1 Floor AC Unit with Built-In Dehumidifier, Fan Modes, Remote Control, Complete Window Mount Exhaust Kit for Rooms Up to 225 Sq. ft, White

SereneLife

Based on 5 reviews Check latest price

Product description

SereneLife Model : SLPAC8Compact & Portable Room Air ConditionerPortable Air Conditioner - Compact Home AC Cooling Unit with Built-in Dehumidifier & Fan Modes, Includes Window Mount Kit (8, 000 BTU) Features: Lightweight & Portable A/C UnitCompact Freestanding Room Air Conditioner Operation Modes: AC Cooling / Dehumidifier / FanHassle-Free, Quick Setup CoolingSimple Electric Plug-in OperationConvenient Wide-Area Climate Control Room AC CoverageDigital Touch Button Control Panel with LED DisplayTime, Temperature & Fan Speed Adjustment SettingsIncludes Universal Window Mount AC Exhaust KitRemovable & Washable Air Filter ScreenModern Style, Sleek Body Housing Energy Efficient: Low Power ConsumptionLow Noise Level Motor Rolling Wheels for Easy PortabilityUsed for Home, Office, School & Business Rooms What’s in the Box: AC UnitExhaust HoseWindow Installation PlateRemote Control Technical Specs: Cooling Power: 8, 000 BTU (ASHRAE) / 4,000 BTU (SACC)Rated Power: 900 WattCoverage Area: Cools Rooms up to 215+ Square FeetAir Flow: 290 Cubic Meters / HourOperating Modes: Cool / Fan / Dry (Dehumidifier)Moisture Removal / Dehumidifier: 1. 2 Liters / HourOperating Noise Level: 55-57 dBaFan Speed Settings: Low / HighTemperature Unit Selectable: °F / °C (Fahrenheit / Celsius)Adjustable Timer Settings: Up to 24 HoursConstruction Material: Engineered ABS HousingBattery Operated Remote Control, Requires x ‘AAA’ Batteries, IncludedPower Cable Length: 4. 3’ ft. Power Supply: 120VDimensions (L x W x H): 14. 6’’ x 13. 8’’ x 27. 2’’ -inchesThe SereneLife Portable Air Conditioner - Compact Home A/C Cooling Unit with Built-in Dehumidifier & Fan Modes, Includes Window Mount Kit (8, 000 BTU) - Lightweight & Portable Cooling Power! - Hassle-Free, Quick Setup A/C Unit - Compact Room Air Conditioner - Simple Electric Plug-in Operation - Operation Modes: AC Cooling / Dehumidifier / Fan - Includes Universal Window Mount Exhaust Kit - Removable & Washable Air Filter Screen - Modern Style, Sleek Body Housing - Digital Touch Button Control Panel - Time, Temperature & Fan Speed Adjustment Settings - Convenient Climate Control in Rooms up to 215+ Square Feet - Energy Efficient: Low Power Consumption - Low Noise Level Motor - Rolling Wheels for Easy Portability - Used for Home, Office, School & Business Rooms.

  • Dimensions: 14.6’’ L x 13.8’’ W x 27.2’’ H | Weight: 53.02 lbs
  • Your purchase includes: Portable Air Conditioner, Window Mount Kit, Quick Setup Guide, Remote Control (batteries not included).
  • Handy and portable: the SereneLife portable air conditioner system features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office. It features rolling wheels for easy portability
  • 3 operating modes: The compact floor AC indoor cooler conditioning unit features a simple electric Plug in operation and introduces 3 modes Cooling, dehumidifier and fan. The default mode is cooling, It is automatically activated after power on
  • Built in dehumidifier: You don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, acts as purifier which makes your home less hospitable to allergens such as dust mites, mildew by selecting dehumidifier mode
  • Remote control: features a digital touch button control panel which includes the power, mode, timer, temperature and fan speed settings. Other functions such as unit selector (Celsius/ Fahrenheit ), Sleep key can be adjusted using the included remote control
  • 8000 BTU cooling power: with 900W rated power and 8000 BTU cooling power, the cold air can cover a room of up to 215+ sq. ft.. Air flow is rated at 290 M3/hr., moisture removal/dehumidifier at 1. 2 liters/hr. W/ an operating noise level of only 55 57 dB

Product features

SereneLife 10,000 Portable Air Conditioner with Built-in Dehumidifier, Fan Modes, Remote Control, Complete Window Exhaust Kit for Rooms

The SereneLife Portable Air Conditioner System features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office. It features rolling wheels for easy portability.

With 8000 BTU cooling power, this is the best option to save space and money, he cold air can cover a room up to 215+ sq ft Air flow is rated at 290 m3/hr, moisture removal/dehumidifier at 1.2 liters/hr w/ an operating noise level of only 55-57 dBa.

The Serene Life Portable Air Conditioner System

You don’t only get the cooling effect of the portable AC but also helps reduce humidity levels, acts as purifier which makes your home less hospitable to allergens such as dust mites, mold, mildew by selecting dehumidifier mode.

The compact floor AC indoor cooler conditioning unit features a simple electric plug in operation and has 4 modes - cooling, heating, dehumidifier and fan. Also features automatic swing mode w/ moving wind vent for maximum air circulation.

Digital Remote Control Air Conditioner

Lets you control fan speed and temperature from a distance. Need to adjust the A/C? No need to get up from your work to do it.

Low Noise Level Motor Rolling Wheels

This kit allows you to hook up your portable air conditioner and cool your home, despite the unconventional setup.

Moisture Removal / Dehumidifier

Pulls warm air from the room, sends it past coils cooled by refrigerant, and then sends heated air and moisture in hose and out of the house.

Freestanding Room Air Conditioner

This features a lightweight, handy, sleek body design intended to be used in the bedroom, living room or garage at home or office.

AC Power Filter Power Conditioner - WAudio AC Power Purifier with Surge Protector

Based on 160 reviews Check latest price

Product description

Clean electricity to improve the performance of your audio-video system.



The electricity network in our homes or workplaces is exposed to different interferences for instance electromagnetic interference (EMI) generated by appliances connected to the same network (refrigerators, air conditioners, computers etc.). These interferences are not only produced inside your house or office but by all appliances in your building or even outside it and can differ on the time of day or week when the traffic on the electrical network changes. All these interferences which we call noises can get into your AC power and interfere with your system. This “dirty” electricity can have a negative effect on performance of your audio-video system.



WAudio power noise filter is a great way to limit the negative noises from your electricity and to isolate your system from the contaminated power and has a feature to indicate the correct power phase.



Thanks to the W-3900 you will be able to enjoy a better quality of your audio and video equipment.



The contaminated electricity has also a negative impact on internal circuits and power supplies of your equipment and because the W-3900 works as a buffer between the wall socket and your gear it will help to increase the longevity of connected components.



Removable IEC type power cord gives an option to upgrade your system with a premium audiophile power cable in any time.



Specification:

Max Spike Volt: 3000V

Max Surge Current (8x20s): 1000A

Mas Clamping Volt (8x20s): 470V

Noise Filter: >-10dB (2~100MHz)

AC Power Rating: 110~125V 50/60Hz



Kit Contents:

W-3900 power filter x 1

power cord x 1

  • ❤️ PHASE DETECT - Phase and the ground wire connection of AC source can be detected automatically.
  • ❤️ OVERLOAD PROTECTION - The sockets will be powered off when total current over 15A, press RESET button to restore power supply.
  • ❤️ VOLTAGE PROTECTION - Its circuit detects dangerous voltage irregularities and provides the highest level of surge & spike protection.
  • ❤️ HEAVY DUTY DESIGN - Metal casin with thickness aluminum plates, come with 6pcs hospital grade filtered outlets and 4pcs industrial grade direct outlets.
  • ❤️ POWER CLEAN - It ensures that all devices connected to W-3900 receive clean & filtered power, which reduces noise and ensures better sound and picture quality from amplifier, DJ equipment, home recording, projector, TV, computer, and other electronics.

User questions & answers

Question: Does this protect against brownouts / under current as well, or just surge and spikes
Answer: I'm not sure but this power conditioner is a "power regulator" that improves quality of the power (e.g. power factor correction, noise suppression, transient impulse protection, etc.). Therefore what is important is the power (1800 watts in this case) and it gives you all the time clean 120volts AC for clear sound on your speakers. This Pyle Pro is giving me good clean power without having to pay for a Furman. I believe that the maximum surge will be 6,500 Amps. Maximum Current: 15 amps @ 124 Volts
Question: since this is also a surge protector, what is the joules rating
Answer: M,It can be used as an additional outlet, however you want to use it is up to you.I hope this information helps!Mark P.iElectronics
Question: Will this help clean harmonic distortion put into the line from a generator
Answer: I would say yes as I have 2 high current 300 watt audio source amps, a 200 watt adcom a Yamaha receiver rated at 140 watts x channel and 2 12" powered subs with 500 watt amps plus my TV DVD player and a cooling fan all plugged into the panamax that is plugged into a dedicated 20 amp circuit.
Question: Where is the waudio ac power purifier with surge protector made
Answer: rkm,The rating on this product is 1575 Joules. You can view more information at the manufacturers site: http://www.panamax.com/Products/A-V-Components/MR4300.phpI hope this information helps!Mark P.iElectronics

Pyle PS900 Audio/Video AC Power Conditioner, Voltage Filter, Noise/Interference Elimination, Processor Sequencer with 3-Prong Outlet Plugs

Based on 142 reviews Check latest price

Product description

Home Theater Power Center with Clean Power Stage 3 v.2.1 Circuitry Power Conditioner, Voltage Filter, Noise/Interference Elimination, Processor Sequencer

  • Supplies Clean Filtered AC Power: 2-Stage High Insert Dissipation - AC Voltage, Ambient Temperature & Step Time Display
  • Micro-Controller Ensures High Level Precise Timing - Built-in 2 Stage EMI Filter for Each Output (On Rear Panel)
  • Able to Series Link More than 100 Units with Automatic Master Unit Display - Selectable Step Time and Real Time Display
  • Output Cut Switch for All Nine Channels - Monitors AC Voltage in Real Time - Display Shows Wiring and Ground Status
  • LED Displays: Output Cut, Master, Bypass, Power, AC Voltage and Temperature - Step Time Display in 7 Segment LED

User questions & answers

Question: Can it power 220v AC devices
Answer: this device has only 120V nominal outputs. the following link will take you to the Pyle website and a link to the actual owners manual that will tell you anything you want to know about the Pyle PS900 https://www.pyleaudio.com/sku/PS900/Power-Supply-Processor-Sequencer---Power-Conditioner-NoiseInterference-Eliminator
Question: Can I use this to regulate a regular generator for sensitive electronics
Answer: NO! Absolutely NOT ! This is NOT an automatic voltage regulator and this is NOT a 50/60Hz sine wave reconstructions filter. The 2 stage conducted interference filter in this power conditioner removes noise at higher frequencies, typically well over 1000 Hz. If an electronic device is tripping off otherwise misbehaving when supplied from a "regular generator" this is unlikely do anything to change the situation. On the other hand if you have a modern generator you don't need to add anything. A classic "regular generator" from the design most commonly used before 1985 is an alternator that regulates its AC output using electromagnetic feedback from the AC load current in the main stator winding to boost the exciter winding that drives the alternator's rotating exciter coil through a DC rectifier, the inductance of the exciter coil is the only DC filter, hence the superimposed harmonic ripple. This type of generator has poor voltage regulation especially for capacitive (electronic power supply) loads, briefly sags/surges with changes in the load. This type of alternator produces a sine wave with smaller superimposed harmonic sine wave the harmonic determined by the number of poles in the stator's exciter drive. Since roughly 1985 a "regular generator" doesn't have electromagnetic feedback for the exciter supply and adds an electronic regulator to the rectified DC from the exciter winding output to regulate the 60Hz AC output. The regulated DC drive for the exciter coil filters out the exciter drive harmonic and the main output is a clean sine wave at the rotating speed of the machine, typically 3600 RPM for 60 Hz in North America. Electronically regulated "regular generators" don't have any voltage sag or surge unless the machine is grossly overloaded. The prime mover (internal combustion engine) is frequency regulated not phase locked, which means that it doesn't respond instantly to large load changes and the rotating machine so briefly slow down and speed up causing the AC line *frequency* to wobble, down when load suddenly increases, up when load suddenly decreases. Electronic power supplied simply rectify the AC line and are insensitive to small frequency deviations. It isn't practical to update generator with the older non-electronic regulation by adding electronic regulation, which is to say it can be done but the cost of the required expertise to do it is a multiple of the cost of replacing a residential machine. So - unless you have a very old design generator, you don't need to do anything to regulate the power. If you have an old design generator, the best choice is probably to replace the generator, an electronic AVR (automatic voltage regulator) can regulate the voltage but it won't clean up the sine wave, its just an elecronically tap changing transformer, while a ferro-magentic resonant transformer, aka a Sola transformer, will remove power spikes, regulate voltage, filter harmonics and even hold up the load during single cycle line power drop outs, but its not widely marketed to consumers, and the simplest designs have an audible buzz.
Question: Is it loud or quite
Answer: Quite quiet
Question: Will this work for my house stereo components? Does it have enuff power to crank turnup stero with out starving it
Answer: Yes, I use this in my house to power my Stereo components

Product features

Power Supply Processor Sequencer

Technical Pro PS17U rack mount 17 outlet power supply surge protector with 5V USB charging ports, A/C power center designed to eliminate extension cords and messy wires, 13 power switches on front panel with blue illumination.

High load power cord (4 foot), maximum load is 15 amps or 1800 watts, rack mountable ears can be used for a rack or can be rotated 90 degrees to mount under or over a shelf or deck

ELEGRP 0651515LY L15515 14AWG LCDI Power Cord Plug for A/C Air Conditioner, E250451 UL Certified, 7.5FT Leakage Current Detection Interrupter Replacement, 120VAC 15Amp 1800W 60Hz NEMA 5-15P (1 Pack)

ELEGRP

Based on 347 reviews Check latest price
  • ✅【Protection Technology】 The LCDI (Leakage Current Detection Interrupter) utilizes built-in shielded power conductors to sense breakage of hot line and white line in the power cord,avoiding the fire caused by arcing due to the aged power cord and leakage current.
  • ✅【Security Assurance】 If a leakage current less than 5mA between the shield wire and the Neutral or Hot wire is detected, the LCDI immediately trips to interrupt the flow of electricity within 0.5s.
  • ✅【Suitable for A/C】 The LCDI power cord is suitable for air conditioner loads, such as portable air conditioners, window air conditioners and PTAC (Packaged Terminal Air Conditioner) for indoor use.
  • ✅【Easy Installation】 Comes with a 14AWG x 3C power cord of about 2.2 meters long with terminals for Hot wire (black), Neutral wire (white) and Ground wire (green) for easy wiring. Rated 120 Volt 15 Amp, 1800 Watt.
  • ✅【UL Certificated】 Designed and tested in accordance with UL. Meet UL1699 requirements.

User questions & answers

Question: will this cord work on a 50 pint dehumidifier
Answer: Hello, please verify this issue by the following steps: 1) Make sure the plug type looks the same with the replacement LCDI plug. 2) Make sure the terminals of your cord same with the replacement LCDI plug; 3)Match every number on yours to the replacement: voltage, wattage, Hertz, part number, amps. If you have any problems, please contact us through Amazon's messaging center by opening the product page, clicking on "Sold by ELEGRP", then click "Ask a Question.", and then select a subject to send us an email, please attach photos to show the plug and terminal type of your existing LCDI plug, and tell us the voltage, wattage and amps of your device, so we will recommend the suitable item for you. Thank you for your question. ELEGRP Customer Service
Question: How do you know what gauge to buy? 14, 16 or
Answer: If you are replacing a cord, I'd refer to the information on the plug end of the cord you are replacing. If not, maybe google the item you want to supply power to for gauge cord required.
Question: Can replace my 13a 125vac 1625w portable ac powercord
Answer: Being a non-licensed electrician (apprentice), I can say 14awg wire supports up to 15amps so, yes, it should work; provided the 125vac doesn't require a special receptacle/outlet.
Question: Will this work on my kenmore serial number 253. 70151. btu dash 15 dash
Answer: Hello, please choose the right model number by the following steps: 1) Make sure the plug type looks the same with the replacement LCDI plug. 2) Make sure the terminals of your cord same with the replacement LCDI plug; 3)Match every number on yours to the replacement: voltage, wattage, Hertz, part number, amps. If you have any problems, please contact us through Amazon's messaging center by opening the product page, clicking on "Sold by ELEGRP", then click "Ask a Question.", and then select a subject to send us an email, please attach photos to show the plug and terminal type of your existing LCDI plug, and tell us the voltage, wattage and amps of your device, so we will recommend the suitable item for you. Thank you for your question. ELEGRP Customer Service

iFi AC iPurifier Mains Audio / Video Noise Eliminator / Line Conditioner / Filter / Isolator / Purifier / Whole Entertainment System Protection (AC iPurifier)

iFi

Based on 295 reviews Check latest price
  • ACTIVE NOISE CANCELLATION - The AC iPurifier creates an incredibly quiet noise floor from your AC power lines and was designed to be used in ANY mains powered audio / video system while it reduces noise without audible side effects and does not hinder dynamics
  • REDUCES HUM - It only actively provides an earth/ground if your system needs one and will not create a ground loop reduces hum or buzz issues on A/V systems with no ground or earth (additional cable required to connect ground to your audio chain)
  • WORKS IN ANY SETUP - Where extension blocks, power strips, extension cords, surge protectors, or outlet extenders are used, the AC iPurifier can be used to isolate certain types of power supplies for the maximum noise reduction and the design is such that it is even more effective if several are used to ‘contain’ the same type of noisy sources so try in different locations to discover which has offers the most improved sonics
  • SURGE PROTECTION - It protects from voltage surges so if it detects a power surge from the power receptacle it will automatically cut off, protecting your valuable and highly sensitive equipment in parallel from harm.
  • FOR ANY AUDIO SYSTEM - Perfect for use in systems at home, office or professional settings and is truly a remarkable product in systems such as home theaters, listening rooms, turntable setups, recording studios, or anywhere you would want to benefit from an easy way to experience better sound

User questions & answers

Question: Does this filter use MOVs
Answer: Thanks for considering the AER110LTK for your project. We offer so many exhaust fans that are compatible for inside the tub and shower enclosure, however, the AER110LTK was not U.L approved for that location. Without that approval, it would not meet the electrical code. This is only designed for outside the enclsure.
Question: Polarity light is red - plugged into power strip. Why is that
Answer: Model AER110LTK can be wired so that the fan and lights are controlled separately.
Question: How does this connect to an audio component
Answer: The AER110LTK has the folloiwng specifications on the light: • Dimmable,16-Watt intergrated LED lighting for energy efficiency. • 3500K color temperature provides soft white light - ideal for bathroom illumination. • LED lasts up to 15,000 hours for maintenance-free convenience. This is not a bulb, but an integrated fixture. If you have additional questions, please contact our Customer Service Department at 1-888-336-3948 between 7:30 AM and 6:00 PM (CDT) Monday-Friday.
Question: Hi, will the ipurifier negatively effect ethernet over the powerline? i use devolo dlan to provide ethernet via powerline. thanks
Answer: Yes, it does require a switch purchased separately and not all are compatible. You can find a list of compatible switches on the Broan website in the questions and answers on this item. Although they could not confirm that was up to date.

Product features

AC iPurifier

When you listen to music there’s a lot of background noise going on. Some noise cannot be missed but there’s also some that is not immediately obvious until it has gone. It mainly comes from your power supply and interference and feedback from other devices. Bring the AC iPurifier into your set-up and you’ll notice the difference instantly. Music you once thought was clear takes on a new life, filtering out noise you never knew was there and leaving you with pure, cleaner, and undiluted sound. The iFi audio AC iPurifier cleans up the dirty AC mains, detects, and solves annoying mains based electromagnetic interference (EMI), radio frequency interference (RFI), Earth, plus ground issues. An exceptionally user friendly device, just insert into the audio mains, power outlet, or extension block for diagnostics and a 40dB (or 100x) noise reduction. It is a direct upgrade to any audio system. Technologically advanced, it’s an active, not a passive, product so it goes above and beyond and cancels far more noise across the frequency range than other power filters. It is particularly effective at dealing with modern audio systems that have an abundance of generic and varied power supplies, whether it's a switch mode such as the iFi iPower or linear. The AC iPurifier draws from French military engineering and includes, Active Noise Cancellation to cancel all incoming noise With EU and USA 3-pin versions. It can handle 100 volts to 240 volts. The UK version comes with adapter to EU version. With a white clean looking chassis made from polyurethane plastic, highly advanced level of electronic parts the AC iPurifier is not only powerful, it’s tough too.

Intelligent Ground connection

There are more than a few AC clean-up devices that add an extra Ground/Earth but only the AC iPurifier has ‘Intelligent Ground’. You can buy the optional extra 4mm ground cable to give the audio system the best possible Ground/Earth but it will ONLY actively provide a Ground/Earth (if it detects the lack of one*. It will not create a ground loop).

Polarity and Earth detection

When it comes to mains AC, there are two common errors which people can make when setting up a system. The first has to do with polarity and the incorrect orientation of USA and EU type mains pins. Intelligent Polarity automatically informs you of incorrect orientation by changing to a red LED.

The second error is the a lack of Ground/Earth. In a system where there may or may not be a lack of a Ground/Earth, simply insert the AC iPurifier into the system and it will tell you one way or the other. When the two LEDs light up green everything is in order!

Overvoltage Surge Protection

For the rare instances where there is an overvoltage spike (from a mains electricity surge or lightning strike for example), the AC iPurifier will automatically shut off and stop electricity from passing through your system. This should protect your valuable and highly-sensitive mains equipment from harm.

Noise Reduction

This chart compares the AC iPurifier (green line), which is ACTIVE, versus generic mains filters (red line) which are typically passive. The effective noise reduction difference is much better at -40dB and effective across the frequency range. A passive purifier filters only in the very top-end of the frequency range.

ANC+ TECHNOLOGY

By generating a signal identical to the noise signal but in the exact opposite phase, it actively cancels all the incoming noise. ANC+ is the perfect ‘antidote’ for power supply noise, the bane of USB audio. The AC iPurifier is the latest product to have onboard ANC. As its name suggests, it ACTIVELY cancels the noise which makes it one of the power accessories, if not the only one, that actively cancels noise.

Modular Design to Suppress Noise

With many modern audio systems, there are typically a plethora of mains plugs. All of these add their own unwanted noise issues and pollute the local mains supply. The design of the AC iPurifier is such that it is even more effective if several are used to ‘contain’ the same type of noisy sources. You can insert into the AC mains wall outlet that supplies the audio system OR insert into the mains extension block for the audio system. Try both locations to discover which has the greatest impact on improved sonics.

Specifications

  • Noise reduction:> 40dB (> 100x)
  • Surge Protection:max. 30,000A @ 1,000V/10uS
  • Operating Voltage:90V – 265V
  • Size/Weight: (USA):ø 40mm x 105mm (L)108 (g) / 0.24 (lbs)
  • (EU):ø 40mm x 115mm (L)126 (g) / 0.28 (lbs)

Furman Elite-15 PF i 13-Outlet Linear Filtering AC Power Source

Furman

Based on 89 reviews Check latest price

Product description

-Linear AC power conditioner with Power Factor Technology -Power Factor Technology provides over 45 Amps of peak charge surplus current for power-starved amplifiers -Wide-bandwidth Linear Filtering Technology for stunning audio and video clarity -E.V.S. protects equipment from dangerous over voltage conditions -Zero ground contamination circuitry protects critical digital components

From the Manufacturer

From the Manufacturer

The Furman Elite-15 PF i Linear Filtering AC Power Source – Clean Lines Means Clear Audio and Video

The extreme AC demands encountered in the professional audio/video arena have required technological developments far in excess of typical home theater/audiophile power products. In studios, live sound, and broadcast facilities, breakdown is unacceptable. Equipment failure or poor performance is costly. The same is true of today's home theater. Furman's solution based technology, extensive engineering expertise, and robust build quality have answered the challenge of today's corrupted power lines, and led to the creation of the Elite-15 PF i.
  • Elite-15 i Linear Filtering AC Power Source - 15 amp capacity. Ultrasonic bi-filtering isolates digital and video circuits from analog components. Linear AC Power Conditioner. Linear Filtering Technology for remarkable audio and video clarity. SMP non-sacrificial surge suppression with Extreme Voltage Shutdown. Retractable LED lamps illuminate a cabinet or rack full of equipment. Digital voltmeter. 12 Volt triggering for remote control with Bypass option. 15A capacity, 7 Linear Filtered outlets, Telco In/Out, 3 pairs coaxial connectors (Universal Coax). Rack ears included.
    • -AC Current Capacity: Input - 15 Amp capacity required -Output - 11-15 Amps RMS (maximum, all outlets combined - continuous) -Linear Noise Attenuation: Transverse (Differential) Mode: ->40 dB from 10Khz. - 100 kHz. ->80 dB from 2 KHz. - 100 kHz. 1GHz.
    • Outlets: 1 (linearly filtered outlet - front panel) -4 (linearly filtered outlet - rear panel, 2 switched via 12V trigger) -4 (linearly filtered outlets with additional ultrasonic filtering for digital or video components, 2 switched via 12V trigger)
    • -Transient Voltage Surge Suppression: 120 VAC - Series Multi-Stage Protection - Non-Sacrificial with Zero -Ground Contamination.
    • -Extreme Voltage Shutdown -Telco -Cable / Satellite (less than .1dB insertion loss) -Dimensions: 4' H x 17' W x 14.75' D (Standard 2 RU height without feet) -Weight: 15 lbs.
    • -Power Consumption: 12 Watts for display and control circuits independent of actual load. -Safety Agency Listing: NRTL-C
    • Linear AC power conditioner with Power Factor Technology
    • Power Factor Technology provides over 45 Amps of peak charge surplus current for power-starved amplifiers

    User questions & answers

    Question: I have the mcintosh mx122 mc303 and mc302 amp all 3 will this unit handle the load
    Answer: about 15*15cm
    Question: I need to replace the power cord
    Answer: about 15*15cm
    Question: Is this unit quite
    Answer: I always just turn the end under, never used fray check
    Question: My pre-amp and amp are both plugged into the furman and power up when I flip the master switch. How can I use the 12v trigger to power up remotely
    Answer: 5 yards each. 10 yards total

    WAudio AC Noise Power Filter - Line Conditioner Power Purifier Surge Protector with Universal Outlets

    Based on 1 reviews Check latest price

    Product description

    Clean electricity to improve the performance of your audio-video system.



    The electricity network in our homes or workplaces is exposed to different interferences for instance electromagnetic interference (EMI) generated by appliances connected to the same network (refrigerators, air conditioners, computers etc.). These interferences are not only produced inside your house or office but by all appliances in your building or even outside it and can differ on the time of day or week when the traffic on the electrical network changes. All these interferences which we call noises can get into your AC power and interfere with your system. This “dirty” electricity can have a negative effect on performance of your audio-video system.



    WAudio power noise filter is a great way to limit the negative noises from your electricity and to isolate your system from the contaminated power and has a feature to indicate the correct power phase.



    Thanks to the W-4800 you will be able to enjoy a better quality of your audio and video equipment.



    The contaminated electricity has also a negative impact on internal circuits and power supplies of your equipment and because the W-4800 works as a buffer between the wall socket and your gear it will help to increase the longevity of connected components.



    Removable IEC type power cord gives an option to upgrade your system with a premium audiophile power cable in any time.



    Specification:

    Max Spike Volt: 3000V

    Max Surge Current (8x20s): 1000A

    Mas Clamping Volt (8x20s): 470V

    Noise Filter: >-10dB (2~100MHz)

    AC Power Rating: 220~240V 50/60Hz



    Kit Contents:

    W-4800 power filter x 1

    power cord x 1

    • 【OVERLOAD PROTECTION】 - The sockets will be powered off when total current over 15A, press RESET button to restore power supply.
    • 【VOLTAGE PROTECTION】 - Its circuit detects dangerous voltage irregularities and provides the highest level of surge & spike protection.
    • 【HEAVY DUTY DESIGN】 - Metal casin with thickness aluminum plates, come with 6pcs filtered outlets and 2pcs direct outlets.
    • 【POWER CLEAN】 - It ensures that all devices connected to W-4800 receive clean & filtered power, which reduces noise and ensures better sound and picture quality from amplifier, DJ equipment, home recording, projector, TV, computer, and other electronics.
    • 【SATISFACTION GUARANTEED】 We offer 12-month warranty. If you have any questions or are not satisfied with our products, please feel free to contact us and we’ll respond to you immediately.

    User questions & answers

    Question: What is the size of this unit, nothing is posted other than the box size as far as I could see
    Answer: It is the source of the interference source that can be filtered out, other interference sources can not be solved

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