7 best power amps

Power amplifiers, commonly referred to as power amps, are electronic devices used to increase the amplitude of an audio signal. They play a crucial role in home audio systems, professional sound systems, and various other applications where amplification of audio signals is necessary. Here's what you need to know about power amplifiers:

  1. Amplification: The primary function of a power amplifier is to take a low-power audio signal and increase its power or amplitude to a level suitable for driving loudspeakers or other output devices. This amplification process ensures that the audio signal can be heard clearly and at the desired volume.

  2. Input and Output: Power amplifiers have both input and output connections. The input is where the audio signal from a source device (e.g., a preamplifier or audio mixer) is connected.The output is where the amplified audio signal is sent to speakers or other audio equipment.

  3. Classes of Power Amplifiers: Power amplifiers can be classified into different classes based on their design and efficiency. Common classes include Class A, Class AB, and Class D amplifiers.

    • Class A Amplifiers: These amplifiers provide high-quality sound but are less efficient and generate more heat. They are often used in high-end audio systems.

    • Class AB Amplifiers: These amplifiers offer a compromise between efficiency and audio quality. They are commonly found in a wide range of consumer audio equipment.

    • Class D Amplifiers: Also known as digital amplifiers, Class D amplifiers are highly efficient and generate less heat. They are often used in portable and compact audio devices.

  4. Wattage: Power amplifiers are rated in watts (W) and specify the maximum power they can deliver to the connected speakers. The wattage rating should match the power requirements of the speakers to avoid overloading or damaging them.

  5. Impedance Matching: Impedance matching between the amplifier and speakers is important to ensure optimal performance. Using speakers with an impedance that matches the amplifier's output impedance is recommended.

  6. Bridgeable Amplifiers: Some power amplifiers are bridgeable, meaning they can be configured to combine the power output of multiple channels into a single channel. This is useful for powering larger or more demanding speaker systems.

  7. Protection Circuitry: Many modern power amplifiers come equipped with protection circuitry to prevent overheating, short circuits, and other potential issues that could damage the amplifier or connected equipment.

  8. Usage: Power amplifiers are commonly used in home theater systems, stereo audio setups, live sound reinforcement systems, recording studios, and more. They are a critical component in delivering high-quality audio to listeners.

  9. Rack-Mountable: In professional audio settings, power amplifiers are often rack-mounted in equipment racks for easy installation and organization.

In summary, power amplifiers are essential components in audio systems, responsible for amplifying low-power audio signals to a level suitable for driving speakers or other output devices. They come in various classes and power ratings to suit different applications and audio quality preferences. Proper impedance matching and consideration of the amplifier's capabilities are crucial when selecting and using power amplifiers in audio setups.

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

Peavey IPR2 2000 Lightweight Power Amp

Peavey

Based on 38 reviews Check latest price

Product description

Peavey IPR 2 2000 Ultralight Power Amplifier

  • 2- Channel independent fourth-order Linkwitz-Riley crossovers
  • DDT
  • Revolutionary IPR class D topology
  • Detented input controls
  • Speakon output connectors

User questions & answers

Question: Is the fan loud
Answer: Not bad at all. I would never use an amp like this in a studio setting, but for anything live, the fans have never been an issue for me.
Question: would this power 2 8 ohm monitors,4 8 ohm speakers and 2 peavey
Answer: The amp is stable to 2ohms per side or 4ohms total if bridged. If you're running 2x8ohm cabs on one channel for a total of 4ohms and 4x8ohm cabs on the other channel for 2ohms you should be good (with the caveat that cab ratings are nominal and therefore a 'moving target' depending on what you're feeding them). I don't know where the Peavey 2x215's fit in since you don't list their impedance ratings, but I'd suggest that they'd be too much for this setup anyway.
Question: I have the jbl jrx 225 pair and jrx 218s 18" passive subwoofer pair looking for an amp to drive these for a band
Answer: HI rico.You need 2 amp. Peavey IPR 3000.1 amp. For the 2 jrx 215 (mid/hi).1 amp. For the 2 jrx 218 (low).Good Luck.
Question: Is this amp brodge-mono capable
Answer: Yes it is.

Product features

IPR 2000

IPR2 power amplifiers, designed for years of reliable, flawless operation under rigorous use. The groundbreaking IPR2 series utilizes an advanced design that allows Peavey engineers to dramatically reduce weight while increasing output power, reliability and thermal efficiency. IPR2 Series amplifiers are designed with a resonant switch-mode power supply and a high-speed class D topology that yields the highest audio resolution and efficiency available. This revolutionary amplifier offers the sonic superiority and unsurpassed reliability for which Peavey is famous, in an extremely efficient and lightweight design. Advanced technology and extensive protection circuitry allow operation with greater efficiency into difficult loads and power conditions. The DDT (Distortion Detection Technique) circuitry ensures trouble-free operation into loads as low as 2 ohms. DDT protects drivers and ensures that sonic integrity is maintained, even in extreme overload conditions. The IPR2's high-efficiency design allows the amplifier to operate at very low temperatures, and does not require massive heat sinks to cool.

IPR 2 Series

Light, Efficient, Intelligent.

Shaking up the pro audio industry with innovative power amplifier designs has become our stock in trade. More than 30 years ago, we were one of the first to break the dollar-per-watt barrier. Not long after that, we became one of the first manufacturer to mass-produce a class-D amplifier for use in live audio applications. We debuted our first switchmode power supply over a decade ago. Then in 2009 we launched the IPR series and once again Peavey revolutionized the power amp industry. Now we introduce the refinement of that amazing technology with improved performance and reliability, the Peavey IPR2 Series.

About Peavey

Founded in 1965, Peavey is one of the world's largest manufacturers and suppliers of musical instruments and professional sound equipment. Peavey has earned over 180 patents and distributes to more than 130 countries. Peavey and its MediaMatrix, Architectural Acoustics, Crest Audio, Composite Acoustics and Trace Elliot brands can be found on concert stages and in airports, stadiums, theme parks and other venues around the world.

Crown XLi2500 Two-channel, 750-Watt at 4Ω Power Amplifier

Crown

Based on 383 reviews Check latest price

Product description

The XLI Series of power amplifiers from Crown represents a new era in affordable, quality power amplification. All four models in the series are powerful, rugged and reliable. They are suited for musicians, DJs, and entertainers as well as houses of worship, discos, and pubs. The four models in the series are the XLi800, XLi1500, XLi2500 and XLi3500. They are identical except for output power.

  • Stereo/parallel/bridge-mono mode
  • User selectable input sensitivity - 0.775V and 1.4V.Voltage Gain : 33 dB
  • Electronically balanced RCA & XLR inputs; binding post and Speak on outputs
  • Efficient forced-air cooling prevents excessive thermal buildup
  • Two level controls, power switch, power LED, and six LEDs which indicate signal presence, clip and fault for each channel
  • Input: balanced XLR (x2), unbalanced RCA (x2); Output: Speak on (x2), Binding Post (x2 pair)
  • Power: 750W at 4Ω, 500W at 8Ω
  • AC input voltage: 220V, 50/60Hz

User questions & answers

Question: Would the crown xli 800 be compatible with a pair of bose 901 series iv speakers
Answer: I gave these trays as a housewarming gift, which they love them! But from what I remember they do not have the locking mechanism you are talking about.
Question: will these crown xli series amplifiers work well for home theater use or would the fan noise be to much
Answer: No there is no assembly required
Question: watt speakers at 8ohms each. They are 360 watt peak each. Is this amp enough for these speakers. amp to speaker then spkr to speaker on ea ch
Answer: Yes, this sm-1lc samsung universal remote control works well with samsung tv model #un40m5300af.
Question: Is it possible to power car subwoofers with this amp
Answer: Contact the seller they will take care of the problem.

Product features

Crown XLi 2500

The XLIi Series of power amplifiers from Crown represents a new era in affordable, quality power amplification. All four models in the series are powerful, rugged and reliable. They are suited for musicians, DJs, and entertainers as well as houses of worship, discos, and pubs.

Crown XLi 2500

The Crown XLi 2500 Stereo Power Amplifier features both RCA and XLR inputs as well as Speakon and binding post outputs. The amplifier includes a user selectable input sensitivity of 0.755V or 1.4V, stereo/parallel-bridge-mono modes, power/fault/signal presence/clip LED indicators, forced air cooling, and protection against shorts, no-load, on/off thumps, and interference from radio frequencies in the environment.

Affordable, reliable powernology or used as a complement to Dante

Drawing from over six decades of experience in building amplifiers, the XLi 2500 is capable of delivering 750W per channel at 4 ohms, 500W per channel at 8 ohms, and 1500W at 8 ohms in bridged-mono mode.

Extended 6 Year Coverage

This protects you for a specific period from your date of purchase as stated in your bill of sale or as otherwise established by Harman. The coverage period will be extended to 6 years. Except as otherwise stated in this policy, this covers defects in materials and workmanship if: you purchased this product from a dealer that is a Harman Professional authorized dealer with respect to this product at the time of your purchase; your original, dated bill of sale is presented whenever service is required during the period; and unless Harman states otherwise, you purchased this product in brand new condition.

SoundBox Connected 4 Gauge Red/Black Amplifier Amp Power/Ground Wire Set 50 Ft

Based on 582 reviews Check latest price

Product description

The SoundBox SuperFlex E-Series 4 Gauge cable gives any vehicle sound systems the needed connection. With its super flexible wire jacket, this installers choice cable creates ease during installation without compromising quality and connectivity.

General Features:

  • Soundbox 4 Gauge Power/Ground Cable
  • UltraFlex Heat Tested Wire Jacket
  • -2- Pre-Cut 25 Rolls (1- 25 Ft Red/ 1- 25 Ft Black) 
  • -1- Premium 4 Gauge AGU Fuse Holder
  • -1- 80 Amp ANL Fuse
  • Authorized Internet Dealer

Features and Details:

  • UltraFlex 4 Gauge Power/Ground Wire
  • Grade A1 Standard Tested
  • CCA (Copper Clad Aluminum)

What's Included:

  • 25'- 4 Gauge Red Power Wire, CW4-25R
  • 25'- 4 Gauge Black Ground Wire, CW4-25BK
  • Premium AGU Fuse Holder w/ 80 Amp Fuse
  • Bulk Packaged, Not for Resale.
  • WIRE IS NOT AWG (AMERICAN WIRE GAUGE). SET TO INTERNATIONAL STANDARDS.

  • 25 Feet Blue & 25 Feet Black 4 Gauge Power/Ground Cable (Total 50 Ft. Wire)
  • UltraFlex Heat Tested Wire Jacket
  • Pre-Cut 25' Rolls- Total 50 Feet of CCA (Copper Clad Aluminum) Wire
  • Installer Series 4 Gauge AGU Fuse Holder w/ 100 AMP AGU Fuse
  • Wire is Set to International Wire Gauge Standards (NOT AWG)

User questions & answers

Question: Can it handle 3000w
Answer: Size of cable effects the amperage that it can withstand. 4 gauge wire is safe to hold up to about 80 amps. Watts is calculated by multiplying voltage (12V car battery) by the amps (80 amps) therefore you will get about 1000 watts that the wire will carry.
Question: Can this be used for a marine trolling motor rated for 60A
Answer: 4 gauge wire can carry well over 60A safely
Question: Can i use for solar applications? it says not awg
Answer: It isn't standard wire gauge (awg) but it's very close. I think it's a metric or proprietary diameter. I would use it on an indoor solar application. It seemed like very good wire to me.
Question: Can i use this cca wire with connectors rated for copper
Answer: Yes. There won't be any corrosion issues. The wire is copper on the outside (aluminum core) so it will be copper to copper contact. Furthermore crimp type automotive connectors are aluminum and are most commonly used on copper wire.

Amplifier Power Cord Cable Replacement - [UL Listed] 6FT Extension Compatible Musical Peavey Vox Guitar Amp PC AC Amplifiers, ION iPA76C iPA76A iPA77 iPA76S IPA23 3 Prong 18AWG Power Cord Cable Supply

ACHOWER

Based on 112 reviews Check latest price

Product description

ACHOWER Premium Quality UL Certified 3 Prong US Plug Power Cord Cable Supply



COMPATIBLE WITH: (check the power cord terminal or device interface as pictures)



Musical Peavey Vox Guitar Amp PC AC Amplifiers



ION iPA76C iPA76A iPA77 iPA76S IPA23 Block Rocker / Party / Live, Job Rock



Marshall Amplifiers, Combo Amplifiers, Amplifier Heads



Package Included: 1 x 6ft 3 prong 18AWG power cord cable



Guarantee: life time guarantee and customer support



Note:

>>>>>Please feel free to contact us if you have any question

>>>>>According to different batches, it is divided into bag packaging or carton packaging, shipped randomly



  • REPLACEMENT AC POWER CORD for Musical Peavey Vox Guitar Amp PC AC Amplifiers; ION iPA76C iPA76A iPA77 iPA76S IPA23 Block Rocker / Party / Live, Job Rock; Marshall Amplifiers, Combo Amplifiers, Amplifier Heads ( check the power cord terminal or device interface as pictures )
  • STABLE & HEAVY DUTY 3 Prong, 18 AWG x 3C, 100-250V 10A; Plug and pins are made of 100% pure copper, which effectively guarantees good contact of products
  • UL CERTIFIED & SAFETY with high-temperature resistant materials, better insulation ability, ensure the safety of use
  • 6 FEET EXTENSION LONG free winding, no knots, no creases; Durable, long service life
  • LIFETIME GUARANTEE & CUSTOMER SUPPORT, this power cord was the perfect replacement which made with the highest quality materials and tested by manufacturer to match or exceed specifications of OEM products

User questions & answers

Question: Will this work with a fender amplifier
Answer: Heavy
Question: Will this work with a fender rumble 120 vz 60 hz 38 watts
Answer: 19" x 14 1/2"

Heavy Duty 6 Foot 14 AWG AC 3 Prong Power Cord for Guitar Amplifier Musical Amp PC and More

Keen Eye

Based on 162 reviews Check latest price

Product description

Heavy Duty 14 AWG AC 3 prong Power Cord for Guitar Amplifier Musical Amp.

  • 14 AWG AC 3 Prong Power Cord for Guitar Amplifier
  • 6ft Length
  • 14 AWG
  • Rated 15A / 125V
  • UL Approved

User questions & answers

Question: Does it work with g-dec junior fender amplifier
Answer: They fit just fine.
Question: Does it work with fender sp 10 guitar amplifier
Answer: The replacement set consists of three each of the following - 6916L-1276A, 6916L-1273A, 6916L-1272A, 6916L-1241A. These part numbers are stamped on the backlight strips. The only way you will know for sure if this set will work for your TV is to remove your backlights and see if these exact part number match. Hope this helps.
Question: At 14 AWG and 15 amps, shouldn't this product be rated for up to 240 volts not 125 volts
Answer: The tray is 19” x 14.5” and it sits 26” from floor to top of tray.
Question: how many volts can this handle. I need a 14awg 10a/250v power cord - your description says it's a 14awg but it doesn't say the amp and voltage
Answer: Very good size . Quite happy with them.

Gemini GPA-4800 4000W Professional DJ Power Amplifier

Gemini

Based on 33 reviews Check latest price

Product description

3000W Professional DJ Power Amplifier .3000 Watt IPP High Power output to drive professional loudspeakers without clipping | Front-to-rer airflow and cooling fan for thermal stability and reliability .XLR to 1/4" (6.5mm Jack) balanced inputs | Stereo and Mono Bridge | Variable speed fan for low noise

User questions & answers

Question: can this amp handle 2000w powered speakers
Answer: That question makes no sense. Powered speakers don't need a power amp, it's built in.
Question: Is this 2000 w at 4 or 8 ohm per output
Answer: Me encanta sus funciones son fabulosos
Question: Are the fans really loud for home use
Answer: No the 4800 4000W has very little fan noise. I did have some with the 5000W I cleaned the fans and it went away. Great amp. I run my mixer and 4 speakers with no issues.
Question: I read one comment that says fan too loud for home use, but hows the sound quality? Does it over heat
Answer: doesn't over heat sound is great fan no too loud you get use to it

Monoprice Unity 100-Watt Bridgeable Power Amp Black

Based on 56 reviews Check latest price

Product description

Unity 100-watt bridgeable power ampmultiroom audio systems are in high demand These days. Homeowners and businesses have their own idea of what they want. Sometimes the all-in-one does not meet the need of the client. this 2-channel class D power amplifier features a stereo speaker output, with support for 4-ohm and 8-ohm speakers. It can deliver 50 watts per channel into 8-ohm loads or 65 watts per channel into 4-ohm loads. Additionally, the output can be bridged to provide 120 watts to a single 8-ohm speaker. It includes a buffered loop line output of the original signal for driving another power amplifier in Distributed whole house audio systems. The amp can be configured for always on, signal detection, or triggered power on status. It also includes a 12-volt trigger output for controlling other devices. • Class-D amplifier providing 50 watts/channel (RMS) into 8 Ohm loads or 65 watts/channel into 4-ohm loads• bridgeable output provides 120 watts into a single 8-ohm load• 4-pole detachable speaker screw connector (Phoenix connector) with support for up to 12 AWG speaker wire bull; 12-volt trigger input for power-on/off• 12-volt trigger output for controlling other devices• buffered loop output of original signal for connecting additional amplifiers• rear panel volume gain adjustment• built-in thermal and short circuit protection circuits• includes rack-mount ears for mounting a single amp or two Amps side-by-side

  • Unity 100-Watt Bridgeable Power Amp

User questions & answers

Question: Sirve para dolby atmos
Answer: The output of the XLI 800 @ 8 ohms is 200 W per channel x 2 channels=400W. In my opinion this model is not the proper size for 4 100 watt speakers. Upgrading to the 1500, would be a better match.
Question: Amp is not turning off when connected to Chromecast Audio even though nothing is casting and amp is set to "signal on". Doing something wrong
Answer: Yes it is. I have a 2.1 stereo in my house. I've been powering a JBL W12 GTi MKII with my xli 3500 for years. Of course the amp is in my house and not in a car.
Question: Can this amp be bridged to push a 12” 4 ohm subwoofer, at 175 rms, 500 peak
Answer: OK
Question: Will this Amp handle a 3 ohm load in bridged mode
Answer: This set of backlight strips are for a 50 inch TV. Yours is a 42 inch. They won't fit. Remove your light strips and look at the part numbers written on them. In my set there are four different strips. (3 of each) Then search Amazon for those part numbers. Amazon lists the individual part numbers for each set. Also search the internet for these part numbers.

Product features

Monoprice Unity 100-Watt Bridgeable Power Amp

Multiroom audio systems are in high demand these days. Homeowners and businesses have their own idea of what they want. Sometimes the all-in-one does not meet the need of the client.

This 2-channel class D power amplifier features a stereo speaker output, with support for 4-ohm and 8-ohm speakers. It can deliver 100 watts per channel into 8-ohm loads or 125 watts per channel into 4-ohm loads. Additionally, the output can be bridged to provide 225 watts to a single 8-ohm speaker. It includes a buffered loop line output of the original signal for driving another power amplifier in distributed whole house audio systems. The amp can be configured for always on, signal detection, or triggered power on status. It also includes a 12-volt trigger output for controlling other devices.

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