11 best power amplifier for portables

A power amplifier for portables is a device used to boost the audio signal coming from portable audio sources like smartphones, MP3 players, or laptops. These amplifiers are designed to enhance the sound quality and provide a more significant output to drive headphones or portable speakers. Here's what you need to know about power amplifiers for portable devices:

  1. Amplification: The primary function of a power amplifier for portables is to amplify the audio signal. This amplification increases the volume of the sound and can also improve its clarity and detail.

  2. Compatibility: These amplifiers are typically designed to work with a wide range of portable audio sources, including smartphones, tablets, digital audio players (DAPs), and laptops.They often have various input options like 3.5mm audio jacks or Bluetooth connectivity.

  3. Headphone Amplification: Many power amplifiers for portables are specifically designed as headphone amplifiers. They provide the necessary power to drive high-impedance headphones, improving the audio quality and allowing you to enjoy your music with greater clarity and dynamics.

  4. Sound Enhancement: Some portable amplifiers come with sound enhancement features like equalization settings or bass boost to tailor the audio to your preferences.

  5. Compact and Portable: These amplifiers are designed to be small and lightweight, making them easy to carry alongside your portable audio source. They are often battery-powered or rechargeable for on-the-go use.

  6. Improved Audio Quality: By using a dedicated power amplifier, you can experience improved audio quality, especially when paired with high-quality headphones or earphones. It can make a noticeable difference in the soundstage, detail, and overall listening experience.

  7. Battery Life: Depending on the model, power amplifiers for portables can have varying battery life. Some models are optimized for long usage on a single charge, while others may have shorter battery durations.

  8. Build and Connectivity: These amplifiers come in various designs and materials. Some have built-in DACs (Digital-to-Analog Converters) for improved sound conversion, while others focus solely on amplification. Connectivity options may include wired or wireless options like Bluetooth.

  9. Price Range: The price of portable power amplifiers can vary widely, with budget-friendly options and high-end models catering to audiophiles and enthusiasts.

  10. Usage Scenarios: Portable power amplifiers are commonly used by audiophiles, music enthusiasts, and individuals who want to get the most out of their portable audio devices. They are suitable for use at home, during commutes, or while traveling.

When choosing a power amplifier for your portable audio setup, consider factors such as compatibility with your devices, the type of headphones you use, battery life, and any additional features that align with your audio preferences. A good portable power amplifier can significantly enhance your listening experience and allow you to enjoy your favorite music with greater clarity and depth.

Below you can find our editor's choice of the best power amplifier for portables on the market
  

Pyle 2X120 Watt Home Audio Power Amplifier - Portable 2 Channel Surround Sound Stereo Receiver w/ USB IN - For Amplified Subwoofer Speaker, CD DVD, MP3, iPhone, Phone, Theater, PA System - PTAU45

Pyle

Based on 1 reviews Check latest price

Product description

The Pyle PTAU45 Home Amplifier is perfect for powering any stereo system. Complete with USB, CD and AUX inputs, and 2 x 120 watts of power. This simple to use and durable amp has bass and treble controls, a slick blue LED output level display, L/R RCA inputs, and 4 speaker outputs. Using sophisticated circuitry and premium components for uncompromising musicality, this product is famous for delivering powerful and accurate sound. This small but powerful amp delivers clear and crisp audio for the listener. Durable and affordable, this amp is made to last. Features: Harmonic Distortion: 0.3% 2 x 120 Watt RMS at four Ohms Blue LED Output Level Display Frequency Response: 20 Hz-20 kHz Power Fuse: 1.5 A, 250 V Fast-Acting (.2 x .8 inches) Power Requirement: 120 V AC 60 Hz/230 V AC 50 Hz Tone Controls: Bass & Treble: +/-10 dB (100 Hz/10 kHz) Dimensions: 8.27’’ x 2.72’’ x 5.39’’ inches.

From the Manufacturer

  • 2X120 WATT POWER: The Pyle Dual Channel Audio Amplifier is perfect for your PA & home theater acoustic surround sound system. Gives you 2x120 watts power which can be used for multi speakers w/ 4 8 ohms impedance, enjoy high quality music & movies
  • MULTIPLE INPUTS: This personal portable digital amp box supports various external sources 3 3.5mm AUX for tuner, CD DVD, MP3, computer, iPad, iPhone & cell phone, 1/4" mic in & 1/4" headphone jack input. Also features a REC RCA output for recording
  • PAGER/MIXING MODE: The professional integrated stereo receiver features pager & mixing switch. In pager mode, the signal from the microphone will override to auto talkover, use for hosting & meetings. Switch to mixing mode for a fun karaoke session. Dimensions (W x H x D): 8.2x 6.6x 2.8 inches
  • USB 2.0 INPUT: It features a USB input to support flash drives or similar USB devices w/ LED indicator beside the port. It allows you to play your favorite audio files from your computer's media library when you connect it directly to the amplifier. Rated power input 750mV
  • EQ CONTROLS: The improved compact bookshelf sound amplifier features crisp & responsive buttons for power switch, MP3 controls previous, next, play/pause & rotary knob controls for input select, MIC, master, balance, bass & treble volume controls

User questions & answers

Question: is it safe to hook up the sony ss-b1000 5-1/4 inch book shelfspeakers to this amp
Answer: Yes, assuming you hook them up correctly!. I have some 70's vintage Technics speakers running on it just fine.
Question: I hear "static" at low volume (definitely not the speskers). Any suggestions
Answer: Disconnect your input source to the amplifier. If the noise goes away, then it's coming from the source and not the amplifier. If the noise continues, disconnect all inputs. If you hear the noise, the problem is likely the amplifier.
Question: is there a way to hook up to a new flat screen tv to run a set of external speakers
Answer: You asked this a while ago, so I'm guessing you've found out by now. This receiver does not have HDMI or Optical inputs, only RCA inputs. Most new TVs no longer come with RCA out, but many have a headphone output. If your TV has a headphone output, you can get a headphone to RCA adapter and use that to connect to this receiver.
Question: Can I run an RCA cord from my TV to this amp? The input/output schematic does not show a TV
Answer: All 3 inputs are RCA, just pick one :) Just because it says "CD" or "Aux" doesn't specifically mean you must use that device, RCA is RCA. However, I wouldn't recommend purchasing it. Mine died (non smoking house, didn't overheat or push it too far) within 1 month of use. I decided to go with the Dayton Audio APA150, which has been a workhorse since day 1 with no issues and much better consumer ratings than this Pyle of junk. Happy hunting.

Wireless Bluetooth Home Audio Amplifier - 90W Dual Channel Mini Portable Power Stereo Sound Receiver w/ Speaker Selector, RCA, AUX, LED, 12V Adapter - For iPad, iPhone, PA, Studio Use - Pyle PFA330BT

Pyle

Based on 829 reviews Check latest price

Product description

PyleHome Model : PFA330BTMini Bluetooth Audio AmplifierBluetooth Mini Blue Compact Audio Amplifier, Aux (3. 5mm) Input, Push-Type Speaker Terminals, 90 Watt Amp Features: Compact and Powerful Mini Amp SystemBuilt-in Bluetooth for Wireless Audio Streaming1/4'' Microphone Input Connector JackAux (3. 5mm) iPod/MP3 Input Connector JackRCA (L/R)Audio Input Connector JacksFour Push Type Speaker TerminalsRotary Treble, Bass, Master Volume Adjustable ControlsElectronic Short, Overload & Overheat ProtectionAudio Source Input SelectionIncludes Power AdapterBluetooth Connectivity: Instant Bluetooth Wireless Streaming AbilityWorks with All of Today's Latest Devices(Smartphone, Tablet, Laptop, Computer, etc. )Bluetooth Version: 2. 1Bluetooth Wireless Range: 30'+ FeetTechnical Specs: Max Power Output: 90 Watt OutputRMS Power Output: 45 Watt x 2 @ 4OhmFrequency Response: 20Hz-20kHzSpeaker Impedance: 4-8ΩClass-T Circuit DesignRate Level Mic Input: 8mv/600 ΩTone Control (Bass): +/- 8dBTone Control (Treble): +/- 8dBSignal to Noise Ratio: >80dBTotal Harmonic Distortion: Input Power: DC 9 ~ 14. 4V, 2A12V AC/DC Power AdapterDimensions (L x W x H): 6. 0'' x 4. 6'' x 1. 6'' -inchesThe Pyle PFA330BT is a compact and powerful mini Bluetooth amplifier. This palm-sized high power system features built-in Bluetooth wireless streaming that works with all of your favorite devices (like Smartphones, Tablets, Computers, etc. ). It gives you the ability to instantly stream audio from your device's music library and control it all wirelessly. The portable size allows you to conveniently take it from room to room in the house, or bring it along and connect it to your vehicle. It's perfect anywhere you need sound amplifying technology with ultra low distortion levels for acoustically accurate music reproduction. Fine-tune your audio levels of connected external devices with the front panel rotary controls. Additional system features include RCA (L/R) Audio Inputs, 1/4'' Mic Input, Push-Type Speaker Terminals and Aux (3. 5mm) Connector. Includes 12V DC adaptor.

  • 90 Watt power: the Pyle dual channel audio amplifier gives your entertainment or PA system a boost, offers low distortion w/ acoustically accurate audio reproduction. Supports speakers w/ 4-8 Ohm Impedance allows you to enjoy high-quality audio
  • Bluetooth connectivity: The small professional integrated indoor stereo receiver is equipped with Bluetooth wireless music streaming. Works with today’s latest devices including smartphones, tablets, Laptops, Computers w/ hassle-free receiver pairing
  • Input selector: it features Bluetooth and aux/MP3 switch button which allows you to select which input you are going to use. Push the button All the way down to use your Bluetooth enabled devices and release the button to use aux/MP3 devices
  • 3 inputs: professional class-t amp supports various external devices. Connect Android phone, iPhone, iPod, MP3 to the 3. 5mm jack input to enjoy acoustic amplified sound w/ the speaker. It also has RCA, aux, mic input
  • Eq controls: This multi-purpose portable 2-channel compact home Theater digital stereo receiver box features crisp buttons and rotary knob controls for audio Adjustment. It also has a blue LED volume knob which also serves as a power indicator

User questions & answers

Question: Will this work with 8 ohm speakers
Answer: Not really this is a four channel amp you should look into a 2 channel amp
Question: Can this be powered with a rechargable battery
Answer: I’m currently using mine for a pair kickers L10 bass
Question: Can i control tv volume woth remote if this amplifier is connected to bookshelf speaker
Answer: This amp has a High Pass Filter setting, so in theory yes
Question: Is there a way to boost the wattage? Not enough power to work with four speakers
Answer: I really doubt it. I have mine wired with 8. But I think you could get 4 in there.

Product features

Pyle Bluetooth Mini Blue Series Compact Class-T Amplifier

The Pyle Mini Blue Series compact stereo power amplifier provides up to 90 Watts (45 x 2 RMS) at 4 Ohms. Built-in Bluetooth technology allows you to instantly stream wireless audio from your favorite devices -- quickly and easily. This mini power amplifier allows you to connect external devices using the RCA (L/R) or AUX (3.5mm) stereo input connector jacks. It's compatible with virtually any audio or computerized device (works with iPhones, Androids, Smartphones, iPods, MP3 Players, iPads, Tablets, etc.). Additional features include built-in short circuit and power surge protection, master volume, treble and bass controls, push-type speaker terminals, 1/4'' microphone jack and more. Enjoy compact and powerful wireless amplifier music streaming ability with the Pyle Mini Blue Series Bluetooth Amp (Model: PFA330BT).

Built-in Bluetooth for Wireless Audio Streaming

This powerful amplifier is compatible with all your favorite Bluetooth devices. The PFA330BT let’s you stream from your phone Bluetooth compatible device directly to the unit. Get rid of those extra cables, and enjoy crisp sound with a rapid wireless setup. This feature makes it a breeze for you to be able to be stream all your favorite tunes to the amplifier right out of the box quickly and easily.

Compact and Portable

This unit is the perfect size for your home, studio or for the road. Its small, compact size gives you the flexibility of being able to store in tight areas. Take the PFA330BT everywhere you go conveniently and comfortably.

Power Home HiFi Stereo Amplifier - 90 Watt Portable Dual Channel Surround Sound Audio Receiver w/ 12V Adapter - For Subwoofer Speaker, MP3, iPad, iPhone, Car, Marine Boat, PA System - Pyle PFA300,Black,8.30in. x 6.90in. x 2.10in.

Pyle

Based on 1 reviews Check latest price

Product description

Pyle Model : PFA300

90 Watt Class-T Hi-Fi Stereo Amplifier

90 Watt Class-T Hi-Fi Stereo Amplifier with AC Adapter Included

  • 12V AC/DC Adapter
  • Class-T Circuit Design
  • Microphone Input Jack
  • Speaker Impedance: 2-8Ω
  • 3.5mm iPod/MP3 Input Jack
  • Signal to Noise Ratio: >80dB
  • Total Output Power: 90 Watt
  • Input Power: DC 9 ~ 14.4V 2A
  • Total harmonic distortion: <0.4%
  • Frequency response: 20Hz-20kHz
  • Short Cut, Overload & Overheat Protection
  • Dimensions: 6.02'' x 4.96'' x 1.5''


  • The PFA300 is a class-T digital amplifier with up to 90 watts of power. Use it in your car, your boat, your RV, your golf cart, your home — anywhere you need a great amplifier with low distortion and acoustically accurate reproduction of music. Adjust the bass and treble to your liking, or bypass the included EQ. Takes 3.5mm stereo jack input or stereo RCA. 2-8 ohm speaker impedance compatible. Includes a 12 V DC adaptor.

    From the Manufacturer

    • 90 WATT POWER: The Pyle Dual Channel HiFi Audio Amplifier gives your entertainment or PA system a boost! Offers low distortion & acoustically accurate audio reproduction. Supports speakers w/ 2-8 ohm impedance allows you to enjoy high-quality audio
    • CUSTOMIZABLE SOUND: It features tone & direct switch which allows adjustment of how much bass & treble get through to be amplified. By switching to direct the filters are removed from circuit & the signal coming in is amplified w/o any filtering
    • SUPPORTS MULTIPLE DEVICES:The professional class-T amp support various external devices. Connect android phone, iPhone, iPod & MP3 to the 3.5mm jack input & enjoy surround acoustic audio w/ the speaker. It also has microphone & AUX input for karaoke
    • EQ CONTROLS: This multi-purpose portable 2-channel compact home digital stereo receiver box features crisp buttons & rotary knob controls for audio adjustment. It also features a blue LED illuminated volume knob which also serves as a power indicator
    • BUILT-IN SAFETY FEATURES: Equipped w/ shortcut, overload & overheat protection to keep this amp & connected devices functioning properly & safely. The built-in loudspeaker protection circuit protects your speakers from high volume bursts of audio
    • WORRY-FREE SHOPPING: With the Pyle PFA300 updated version, we are confident of the quality of our product, therefore, we offer a 30-day money-back guarantee, no questions asked

    User questions & answers

    Question: Will this amplifier work to hook to computer speakers on a projector for watching movies outdoors
    Answer: Dear customer, The handheld devices can be connected to the bottom of the valve. Best regards
    Question: can I bridge the outputs one speaker
    Answer: Yes, its the valve. If the valve is broken after using it for a period of time after you buy the shower set, we can send you a new valve.
    Question: Just wondering if any techies out there have had a look inside this amp and can tell me which class T amplifier chip this unit uses.I sure would appreciate it
    Answer: Dear customer, Our shower head can be mounted in the ceiling, but shower arm need change. Best regards
    Question: I have 2 Pioneer bookshelf speakers that run at 80 RMS. Will this run them
    Answer: Dear customer, We offer 5 years of replacement warranty on this product.

    Pyle 2x120 Watt Home Audio Speaker Power Amplifier - Portable Dual Channel Surround Sound Stereo Receiver - For Amplified Subwoofer Speakers, DVD, MP3, iPhone, Computer, Theater via 3.5mm RCA - PCA4 Black

    Pyle

    Based on 388 reviews Check latest price

    Product description

    PyleHome Model : PCA4 Compact Home Audio Amplifier, 2x120 WattCompact Home Audio Amplifier - Stereo Power Amp, AUX/MP3/RCA Input (2 x 120 Watt) Features: Compact and Powerful Mini Amplifier Front Panel Rotary Controls RCA Audio Input (L/R) Push Type Speaker L/R Terminals AUX (3.5mm) Input Connector Jack Connect & Stream Audio from External Devices Treble, Bass, Master Volume Adjustable Built-in Short Circuit and Power Surge Protection LED Indicator Light Output Level Display Technical Specs: Output Power: 2 x 120 Watt @ 4 Ohm Line Input Sensitivity: 220mv, 1kHz @ 4Ohm Frequency Response: 20Hz-20kHz S.N. Ratio: 75dB T.H.D.: 0.3% Tone Controls: +/-10dB Fuse: 1.5A, 250V Fast-Acting, 5x20mm Power Supply: 110/220V, Switch Selector Dimensions (L x W x H): 6.7’’ x 8.3’’ x 2.7’’ -inches The Pyle PCA4 Home Audio Amplifier is perfect for compact stereo system power. This small sized amp delivers maximum audio performance with universal device compatibility. Front panel rotary controls allow you to fine-tune your sound while the Aux (3.5mm) input jack give you the ability to connect and stream audio from your devices -- get connected and stream audio from MP3 Players, Smartphones, Computers and Laptops. The rear panel features push-type speaker connectors along with RCA (L/R) audio inputs. Add crisp and clear audio processing performance with the Pyle Compact Stereo Power Amplifier.

    • 2x120 WATT POWER: The Pyle Dual Channel Audio Amplifier is perfect for your home theater acoustic surround sound system. Gives you 2x120 watts power which can be used for multi speakers w/ 4-8 ohms impedance, enjoy high quality music & movies!
    • MULTIPLE SOURCES: This personal portable digital amp box lets you connect external audio sources such as tuner, CD DVD player, tape deck, camcorder & VCR to the RCA L/R input & enjoy enhanced amplified acoustic audio reproduction!
    • CD/MP3 AUX IN: The professional integrated stereo receiver features CD/MP3 3.5mm AUX input which lets you connect your PC (CD ROM), laptop computer, Walkman, iPod, iPhone, iPad, and cell phone.
    • PUSH TYPE SPEAKER TERMINAL: It lets you easily connect speaker wires directly to the amplifier. The speaker impedance ranges from 4 to 8 Ohms for the general stereo output. The total speaker impedance must be at least 4-Ohm per channel at stereo mode
    • EQ CONTROLS: The improved compact bookshelf speaker sound amplifier features crisp & responsive buttons for the power switch. It also features rotary knob controls for the master volume, bass & treble adjustments.
    • WORRY-FREE SHOPPING: With the Pyle PCA4 updated version, we are confident of the quality of our product, therefore, we offer a 30-day money-back guarantee, no questions asked.
    • 2x120W RMS at 4 Ohm - Master Volume Control

    User questions & answers

    Question: How does this compare with the cheapo 2020 amp (the best of the little chinese amps
    Answer: Thank-you for your question. Your golf ball snaps into the top position of the holder after each hole. The separated lower magazine holds up to (2) additional provisional or practice balls, and are released through the bottom frame as needed. Note the top golf ball does not enter the magazine area during play. At Snakebelly Golf we perform extensive testing to make sure our golf ball holders securely retain balls in all course conditions, whether you walk or ride. Each Snakebelly golf ball holder leaves the factory with a secure 4-pound ball release, and goes through a 100% quality check before packaging. In other words, we take great pride in putting out a top quality golf product made entirely in the USA. To maintain the best performance for your Snakebelly golf ball holder be sure to use golf balls in good condition. If for any reason your golf ball holder is not performing exactly as described, please contact SnakeBelly Golf right away for assistance.
    Question: What is its power output at 8 ohms
    Answer: Yes they float.
    Question: Do the sub outputs have a crossover built in? If so what frequencies
    Answer: No idea and why does it possibly matter.
    Question: can i attach a cd changer to it
    Answer: No idea and it is irrelevant to their performance.

    Product features

    Pyle Home 2x120 Watt Audio Speaker Power Amplifier

    This home amplifier is perfect for powering any stereo system. Using sophisticated circuitry and premium components for uncompromising musicality. This product is famous for delivering powerful and accurate sound. Complete with 2 x 120 watts of power. This simple to use and durable amp has bass and treble controls, a slick blue LED output level display, L/R RCA inputs, and 4 speaker outputs. This small but powerful amp delivers clear and crisp audio for its listener. Durable and affordable, this amp is made to last.

    Pyle Home 150-Watt Stereo Mini Power Amplifier

    This mini stereo power amplifier provides up to 75 W of power on each channel at 4 ohms. It's compatible with any audio or computer device - you can even hook up an iPod using a 3.5mm to RCA jack converter. Connect your inputs using the RCA jacks. Outputs over standard speaker push jacks. Treble, bass, and volume controls on the front let you tweak your sound to exactly how you want it. Runs on 110 or 220 V.

    Pyle Home 2X40-Watt Stereo Mini Power Amplifier

    This mini stereo power amplifier provides up to 40 W of power on each channel at 4 ohms. It's compatible with any audio or computer device - you can even hook up an iPod using a 3.5mm to RCA jack converter. Connect your inputs using the RCA jacks. Outputs over standard speaker push jacks. Treble, bass, and volume controls on the front let you tweak your sound to exactly how you want it. Runs on 110 or 220 V.

    Wireless Bluetooth Power Amplifier System - 4200W 6CH Powered Rack Mount Portable Multi-Zone Audio Home Stereo Receiver Box w/RCA, USB, AUX - for Speaker, PA, Theater - Pyle PT6000CH

    Pyle

    Based on 53 reviews Check latest price

    Product description

    Pyle Model : PT6000CH

    6-Ch Bluetooth Amplifier Receiver System

    6-Ch. Powered Bluetooth Amplifier Receiver | Multi-Zone Audio & Microphone Control System with FM Radio, Mic Talkover Function, 4200 Watt

    Features:

    • 6-Channel Powered Amplifier Receiver
    • Multi-Zone Audio Control System
    • Built-in Bluetooth for Wireless Audio Streaming
    • Microphone Talk-Over / Voice Priority Function
    • Front Panel Control Center with Digital LCD Display
    • Aux (3.5mm) Audio Input Connector
    • Connect & Stream Audio from External Devices
    • USB Flash Drive Reader for Digital Audio File Playback
    • USB Port Doubles as Device Charge Port
    • 1/4'' TRS Microphone Input Jacks
    • Pair RCA (L/R) Aux Audio Input Connectors
    • Pair Speaker Binding Post Output Connectors
    • RCA (L/R) Audio Line Output Connectors
    • Microphone Talk-Over / Voice Priority Level Control
    • Independent Channel / Aux Input / Microphone Audio Controls
    • Audio Input Mode Selectable (BT/USB/SD/FM/AUX)
    • Built in Short Circuit and Over Voltage Protection
    • Power ON/OFF Switch
    • LED Indicator Lights
    • For Home, Office or Business Use



    Bluetooth Connectivity:

    • Works with All of Today’s Latest Devices
    • (Smartphones, Tablets, Laptops, Computers, etc.)
    • Bluetooth Network Name: ‘BT-RY’
    • Bluetooth Version: 4.0
    • Wireless Range up to 30’+ ft.



    Technical Specs:

    • 4200 Watt Maximum Power Output
    • MAX Power Output: 6-CH x 700 Watt @ 4 Ohm
    • RMS Power Output: 6-CH x 350 Watt @ 8 Ohm
    • Bluetooth Wireless Operation Range: Up to 30'+ ft.
    • Frequency Response: 20Hz - 20KHz
    • Signal to Noise Ratio: ≥81dB
    • T.H.D.: <0.1%
    • Radio Station Memory: 30 Station Presets
    • Digital File-type Compatibility: MP3, WMA
    • Maximum USB/SD Flash Support: 64GB
    • Power Supply: 110/240V
    • Dimensions (L x W x H): 16.9’’ x 11.5’’ x 3.4’’

    Pyle 6-ch. Powered Bluetooth amplifier receiver | multi-zone audio & microphone control system with FM radio, mic talk over function, 4200 watt - Features: 6-channel powered amplifier receiver - multi-zone audio control system - built-in Bluetooth for wireless audio streaming - microphone talk-over / voice priority function - front panel control center with digital LCD display - aux (3.5Mm) audio input connector - connect & stream audio from external devices - Usb flash drive reader for digital audio file playback - Usb port doubles as device charge port - 1/4'' tars microphone input jacks - pair race (l/r) aux audio input connectors - pair speaker binding post output connectors - RCA (L/r) audio line output connectors - microphone talk-over / voice priority level control - independent channel / aux input / microphone audio controls - audio input mode selectable (BT/USB/SD/FM/aux) - built in short circuit and over voltage protection - powerful/off switch - LED indicator lights - for home, office or business use - technical specs: 4200 watt maximum power output - max power output: 6-ch x 700 watt at 4 ohm - RMS power output: 6-ch x 350 watt at 8 ohm.

    • BLUETOOTH CONNECTIVITY: The mini professional integrated indoor house stereo receiver is equipped w/ Bluetooth wireless music streaming. Works w/ today’s latest devices including smart phones, tablets, iPhone, computer w/ hassle-free receiver pairing
    • 4200 WATT POWER: The Pyle 6 Channel Powered Amplifier Receiver is perfect for your PA and home theater acoustic surround sound system. Gives you 4200W power which can be used for multi speakers w/ 4-8 ohm impedance, enjoy high quality amplified audio
    • 9 INPUTS: This personal portable multi-zone audio digital amp box supports various external sources - 3 pairs RCA audio input for tuner, CD player or tape deck, 2 1/4" TRS microphone IN, AUX IN, USB, SD card slot. Also features FM, Bluetooth antenna
    • VOICE PRIORITY BUTTON: The surround sound amplifying mixer device features a MIC talk-over function where the background music is minimized by pushing the button when the signal is inputted to MIC1. It is used in paging, voice over, and announcements
    • EQ CONTROLS: The improved professional compact rack mount sound amplifier features crisp buttons for power, MP3 controls. W/ separate rotary knob controls - MIC, AUX, priority and input level controls, and an independent channel volume control center

    User questions & answers

    Question: Will this work in a office space with overhead speakers? If so, would it work with 70v
    Answer: Not sure about the 70V but I'm using this to hook up to 6 X 8" Pyle In Ceiling Speakers Rated @ 300W.
    Question: Is each channel independant of the others? I would like to use it as a 5.1 setup amp
    Answer: It is independent. But this amp converts all stereo input to mono output. Kinda defeats that purpose. It’s good as a ambience speaker amp.
    Question: Can you Bridge two adjacent outputs (1&2, 3&4,or 5&6) to achieve a mono output? Does it have a mono output option
    Answer: Hi, unfortunately no. The unit doesn't have a bridging feature. You may check other details of the unit by visiting our website pyleaudio.com. Type the model number on the search box PT6000CH for more details. Thank you.
    Question: How does the multi-zone control work? I want to connect 3 Chromecast's to the 3 inputs and play different music on 3 sets of speakers
    Answer: You need some thing like a whole home controller amplifier, eg. Russound CA4KT1 Multiroom Controller Amplifier, https://smile.amazon.com/Russound-CA4KT1-Multiroom-Controller-Amplifier/dp/B001F6CDYY/ref=sr_1_1?ie=UTF8&qid=1506318447&sr=8-1&keywords=russound+multizone+controller. You will need to supply the Chromecast and the speakers, but this kit will give you remote control via keypads.

    Product features

    Wireless Bluetooth Power Amplifier System

    The surround sound amplifying mixer device features a MIC talk-over function where the background music is minimized by pushing the button when the signal is inputted to MIC1. It is used in paging, voice-over, and announcements

    BLUETOOTH CONNECTIVITY

    The mini professional integrated indoor house stereo receiver is equipped w/ Bluetooth wireless music streaming. Works w/ today’s latest devices including smart phones, tablets, iPhone, computer w/ hassle-free receiver pairing.

    4200 WATT POWER

    The Pyle 6 Channel Powered Amplifier Receiver is perfect for your PA and home theater acoustic surround sound system. Gives you 4200W power which can be used for multi speakers w/ 4-8 ohm impedance, enjoy high quality amplified audio.

    9 INPUTS

    This personal portable multi-zone audio digital amp box supports various external sources - 3 pairs RCA audio input for tuner, CD player or tape deck, 2 1/4" TRS microphone IN, AUX IN, USB, SD card slot. Also features FM, Bluetooth antenna

    EQ CONTROLS

    The improved professional compact rack mount sound amplifier features crisp buttons for power, MP3 controls. W/ separate rotary knob controls - MIC, AUX, priority and input level controls, and an independent channel volume control center

    Pyle PPHP155ST Wireless Portable PA Speaker System - 1500W High Powered Bluetooth Compatible Active Outdoor Sound Speakers w/ USB SD MP3 RCA - 35mm Mount, Stand, Microphone, Power Cable, Black, 15"

    Pyle

    Based on 378 reviews Check latest price

    Product description

    Pyle Model : PPHP155ST

    15" Bluetooth PA Speaker System Bundle

    Bluetooth Active-Powered Loudspeaker Cabinet Kit - Wireless Music Streaming PA Speaker System, FM Stereo Radio, USB/SD Readers, Includes Speaker Stand, Wired Microphone (15'' Subwoofer, 1500 Watt)

    Features:

    • Versatile High-Powered Mobile Cabinet Speaker System
    • Rugged, Durable & Reliable Sound
    • Bluetooth Wireless Music Streaming Ability
    • Speaker System: 15'' Woofer, 1.0'' Tweeter
    • Compression Driver with Titanium Diaphragm
    • 2-Way Full Range Audio Projection
    • Built-in Digital Audio Amplifier
    • XLR Microphone Input
    • 1/4'' (6.35mm) Microphone Input
    • RCA (L/R) Stereo Line Input Connectors
    • XLR Guitar / Instrument Input
    • 8 Ohm (SpeakOn) Speaker Output
    • XLR Line Output
    • Connect & Stream Audio from External Devices
    • USB Flash Drive & SD Memory Card Readers
    • USB Reader Doubles as Device Charging Port
    • FM Radio with Digital LCD Display
    • ID3 Tag Song Readout Info: LCD Displays Song Title/Song Artist
    • Rear Panel Rotary Dial & Button Control Center
    • Master Volume, Mic Volume, Treble, Bass Setting
    • Convenient Carry Handles
    • 35mm Speaker Stand Mount
    • Engineered Heavy Duty ABS Housing

     

    Bluetooth Wireless Streaming:

    • Instantly Stream Music from Your Bluetooth Devices
    • Works with All Your Favorite Bluetooth Devices
    • (iPhone, Android, Smartphone, iPad, Tablet, PC, etc.)
    • Bluetooth Version: 4.0
    • Bluetooth Wireless Range: 100'+ Feet
    • Bluetooth Network Name: 'Pyle Audio

     

    What's in the Box:

    • 15'' PA Speaker
    • Power Cable
    • Speaker Stand
    • Wired Microphone

     

    Speaker Stand:

    • Effectively Elevates Speaker for Optimum Sound Performance
    • Universal Speaker Compatibility (35mm Insert)
    • Easy Setup and Quick Adjustment Control
    • Reinforced Steel Support Construction
    • Speaker Support Arm Extension
    • Rugged and Reliable
    • Safety Lock-in Pin
    • Foldable for Quick Storage and Transport
    • Rubber Capped Tripod Feet Base
    • Perfect for On-Stage or Studio Use
    • For Professional or Beginner Applications
    • Speaker Height Adjustable: 59.1'' to 82.7'' -inches
    • MAX. Load Capacity: 100 lbs. (50 kgs.)

     

    Technical Specs:

    • Max Power Output: 1500 Watt
    • Amplifier Class: AB
    • Impedance: 8 Ohm
    • T.H.D.: <1%
    • Sensitivity: 98dB (+/-2dB)
    • Mic Input Level: <15mV
    • Line Input/Output Level: >250mV
    • Frequency Response: 40-18kHz
    • Digital Audio File Compatibility: MP3, WMA
    • Maximum SD/USB Flash Memory Support: 32GB
    • Power: 110/220V
    • Speaker Size (L x W x H): 13.8'' x 17.0'' x 27.0'' -inches

     

    The Pyle Bluetooth PA Speaker System is a wide-coverage, 2-way loudspeaker that provides high-powered sound where you need it. Enjoy versatile audio playback abilities, full range stereo sound reproduction and portability thanks to the included speaker stand, that allows for quick sound setup in any location. Cover the entire audio spectrum with the 15'' subwoofer, 1'' tweeter and titanium diaphragm compression driver. It's loaded with audio playback options including Bluetooth Wireless Music Streaming, USB Flash Drive Port, SD Memory Card Reader, FM Radio, along with a Wired Handheld Microphone -- perfect for karaoke and crowd control. The system also features an LCD display screen with ID3 tag song readout info, that displays the song title and artist from your MP3 audio. Use the rear panel to connect even more devices and access the button control center to fine-tune your audio. Add portable and versatile audio playback ability to any occasion with the Pyle PPHP155ST Bluetooth PA Loudspeaker System.

    • 1500 watt power: This portable high powered 2 way full range Audio projection loudspeaker pa system has a maximum power output of 1500 watt peak power/ 750 Watt RMS so you can play your favorite tracks as loud as you want and with style
    • 15” subwoofer 1” tweeter: This active PA speaker kit is equipped with 12” subwoofers, high performance 1” tweeters and compression driver w/ Titanium diaphragm for surround stereo sound reproduction and impressive bass response
    • Compatible with Bluetooth: This pa loud speaker is compatible with Bluetooth for wireless audio streaming and works with devices like iPhone, Android mobile phone, iPad, tablet, PC. Ideal for personal indoor home use or for outdoor DJ party
    • 6 inputs: equipped w/ a USB and SD card Reader so it can serve as an MP3 player, RCA stereo input, XLR guitar input, 1/4" Speak on input and XLR microphone input for Karaoke. Has a 35mm stand mount and comes with a stand, microphone, power cable
    • E configuration: This high powered heavy duty pa system also features a digital LCD display and rear panel Rotary dial/ button control center to adjust the master volume, mic volume, treble, bass so you can balance the Audio levels to your liking

    Product features

    Wireless Portable PA Speaker System

    This high powered heavy duty pa system also features a digital LCD display and rear panel Rotary dial/ button control center to adjust the master volume, mic volume, treble, bass so you can balance the Audio levels to your liking

    Speaker Roller wheels

    The Wireless Portable PA Speaker System has Roller wheels to easily move or handle the speaker.

    Compatible with Bluetooth

    This pa loud speaker is compatible with Bluetooth for wireless audio streaming and works with devices like iPhone, Android mobile phone, iPad, tablet, PC. Ideal for personal indoor home use or for outdoor DJ party

    NON-SPLIT FEET

    Pyle provides safe and reliable speaker placement with reinforced steel support construction perfect for on-stage or in-studio use. It only weighs 6.25 lbs. with a rubber capped tripod feet base

    BEYST Power Amplifier,HiFi Music Receiver,Portable Dual Channel DC12V Stereo Sound Mini Receiver,for Home

    Based on 26 reviews Check latest price

    Product description

    Description:

    Mini HIFI audio power amplifier.Two main channel output.

    Left and right channel outputs are interfaces for speakers or speakers.

    Low distortion supplies a clearer, stronger and more powerful sound.

    Made up of aluminum alloy body, thick, feel is also very good.

    Large knobs are designed with blue LED lights tomake the products morebeautiful and beautiful.



    Specifications:

    Product name: Power Amplifier

    Model: AK170

    Color: Black

    Material: Aluminum Alloy

    Input voltage: DC 12V

    RMS power: 20W+20W

    Max power: 200W+200W

    Channel: 2CH

    Load impedance: 4-16?

    SNR: >90 db

    Frequency: 20Hz-20KHz

    Distortion rate: 0.01%

    Size: About 125 x 75 x 40mm(L*W*H)



    Package Included:

    1PC x Power Amplifier

    1PC x User Manual



    Note:

    Transition: 1cm=10mm=0.39inch

    1. Due to the light and screen difference, the item's color may be slightly different from the pictures.

    2. Please allow 0.5-2 cm differences due to manual measurement.

    • Power Amplifier made up of aluminum alloy body, thick, feel is also very good.
    • Mini HIFI audio power amplifier.Two main channel output.
    • Mini audio amplifier, left and right channel outputs are interfaces for speakers or speakers.
    • Large knobs are designed with blue LED lights tomake the products morebeautiful and beautiful.
    • Package Included: 1PC x Power Amplifier 1PC x User Manual.Hi-Fi stereo amplifier for home, low distortion offers clearer, louder and more powerful sound.

    User questions & answers

    Question: How many watts
    Answer: Don't know.?
    Question: How am I suppose to connect it to the power? It came without the power cord
    Answer: You need to get a 12v input source
    Question: Is this actually a bluetooth reciever? Title says it is but no where in the description does it say anything about bluetooth
    Answer: This amplifier does not support Bluetooth. The description is misleading.

    ammoon Electric Guitar Amplifier 10 Watt Portable Amp BT Speaker Supports Clean/Distortion Modes AUX IN Gain Bass Treble Volume Control, Dual-Powered Guitar Amp for Beginners- Black

    Based on 37 reviews Check latest price
    • 【10 Watt】: This portable guitar amplifier equipped 5" Speaker with 10 Watt RMS Output, which is perfect for personal use or daily practice.
    • 【Sound Effect】: Sound effect control of this amplifier is flexible. Except Gain/Bass/Treble knob. There is a separate volume knob to control external source. Moreover, it can also switch CLEAN/DISTORTION effect directly.
    • 【Dual-Power Supply】: DC 12V power adapter(included) or 6 * AA batteries(not included), when DC12V adapter is connected, batteries power will be cut off. Suitable for indoor and outdoor use.
    • 【AUX Input】: Supports external music player connection via 3.5mm AUX IN or BT to play your guitar along with background music or enjoy the fun of music listening.
    • 【Easy to Carry】: With protable size 9.1*6.9*8.5in, weight 5.2lbs, the guitar amplifier can be easily carried anywhere by the top handle, which makes it quite suitable for travel use.

    User questions & answers

    Question: What does the Bluetooth connect to
    Answer: Your phone, etc.
    Question: can I use this with my electric bass guitar
    Answer: Yes
    Question: Can I use this for an electronic drum set
    Answer: Yes but not too loud.
    Question: Will it fit in a suitcase
    Answer: The product size is 23*18*21cm/9.1*7.1*8.3in, as long as your suitcase is larger than this size, you can put it in the suitcase

    Orange Amps Crush Mini 3W Guitar Combo Amplifier Bundle with Blucoil Slim 9V Power Supply AC Adapter, 10' Straight Instrument Cable (1/4"), 2-Pack of Pedal Patch Cables, and 4x Guitar Picks

    Based on 41 reviews Check latest price

    Product description

    Orange Amps Crush Mini

    The portable Crush Mini from Orange Amps bring great sound quality and versatility for everyday practice. It is small enough to fit in the backpack and can be powered by a 9V battery or AC adapter. You can connect a pair of headphones for silent practicing or plug in an external speaker. At the back of Crush Mini is a 1/8" Aux Input for laptop or MP3 player connection. You play along to your computer's music. The Crush Mini Amp provides 3 Controls (Volume, Shape, Gain) and a built-in chromatic tuner.



    TECHNICAL SPECS:

  • Speaker: 4" Voice of the World Speaker
  • Total Output Power: 3 Watts
  • No. of Channels: 1
  • Features: EQ, Chromatic Tuner
  • Power Source: Internal 9V Battery / 9V Power Supply
  • Connectors: 1/4" Instrument In, 1/8" Aux In, 1/8" Headphones, 1/4" Output (8 Ohm External Speaker)
  • Dimensions (DxWxH): 3.26 x 5.7 x 5.9"
  • Weight: 2 lb
  • Construction Finish: Orange Basketweave Vinyl



    Also Comes With:



    Blucoil 9V 670mA Power Supply

    The 9V Power Supply ensures the correct amount of power gets transmitted to your electronic devices. It offers protection against short circuits, over-temperature, over-current, and over-voltage. The power supply features an extra-long 3m cable and a universal input voltage range of 100-240V ~ 50/60Hz.



    Blucoil 10-FT Straight Instrument Cable

    The Blucoil 10-foot instrument cable interconnects your electronic musical instruments (e.g., guitars, bass, keyboards) to a preamp or amplifier's unbalanced input. It features 1/4" male to 1/4" male straight mono plugs. The metal Neutrik connectors ensure reliable durability and improved contact integrity. The cords are protected with conductive PVC shielding, which cancels out EMI/RFI.



    Get this bundle today and receive 2-Pack of Blucoil Right-Angled Pedal Patch Cables plus 4-Pack of Thin Celluloid Guitar Picks!

    • PROVIDES A PORTABLE PRACTICE TOOL - The lightweight Orange Amps Crush Mini offers full tonal control and 3.5mm Aux-In. Plug an MP3 player in the Aux Input and jam along with the music.
    • HELPS SHAPE UP YOUR TONE - The Shape knob can fatten or scoop your sound while the Gain provides clean-to-heavy distortion.
    • OFFERS A BUILT-IN TUNER - The chromatic tuner display shows which note you're playing. It helps adjust your guitar into the right pitch.
    • CAN BE USED FOR PRACTICE OR LIVE GIGS - You can use the headphone output for silent practice or plug a cabinet (8 Ohm-rated or more) in the jack at the back. Engaging Speaker Out will disconnect the internal speakers.
    • INCLUDES - Orange Amps Crush Mini 3W Guitar Combo Amplifier. Blucoil Power Supply with Slim AC/DC Adapter for 9 Volt DC 670mA with US Plug (Center Negative Polarity). Blucoil Premium 10-FT Instrument Cable with 1/4" Straight Connectors and PVC Shield for Guitars and Amps. 2-Pack of Blucoil Right-Angled Patch Cables for Effects Pedals. 4-Pack of Blucoil Thin Celluloid Guitar Picks (Assorted Colors).
  • Dual Channel Mini Portable Stereo- Receiver Box - 300 Watt Rack Mount Audio Speaker Power Amplifier System w/ 3.5mm Input - Enjoy Amplified Sound for Your Home Entertainment System - Pyle PLMPA35

    Pyle

    Based on 531 reviews Check latest price

    Product description

    Pyle Model : PLMPA35

    2 -Ch. Mini Amplifier, 300 Watt

    2 Channel 300 Watt Mini Amplifier w/3.5mm Input

  • 2 Channel IC Mini Amplifier with 3.5mm Input Plug
  • 2 x 15 Watts RMS @ 4 Ohms/ 2 x 150 Watts Peak
  • 3 way Selectible Electronic Crossover Network
  • Adjustable Gain Control
  • 3.5mm / 1/8" Stereo Audio Inputs
  • Power Protection Circuitry
  • T.H.D. 1%
  • 4 Ohm Stereo Stable
  • Anti-Thump Turn On
  • Soft Turn On/Off
  • Dc: 12-14.8 Volt
  • Size: 3.94''L x 2.99''W x 1.4''H


  • This 300 W mini-amplifier is a powerful solution for your trade show display. It easily allows you to pipe music to two speakers using a 3.5mm jack input -- so you can hook it up to your iPod, laptop, or any other digital music player. It's portable, mountable, and easy to conceal. Requires 12 V DC.

    • 300 WATT POWER: The Pyle Mini Sound Amplifier gives your home theater entertainment system a boost! Offers low distortion and acoustically accurate audio reproduction. Supports speakers w/ 4 ohm impedance allows you to enjoy high quality audio
    • SWITCHABLE FILTER: This dual channel 12V home studio amplifier features an easy switch for low and high pass filter which allows higher frequencies to pass through the filter for high pass and lower frequencies for low pass
    • 3.5mm JACK INPUT: The professional indoor rack mount amplifying device supports various external devices. Connect your Android phone, iPhone, iPod or MP3 to the 3.5mm jack input to enjoy whole surround acoustic audio w/ the speaker amplifier
    • VOLUME CONTROL: This small multi purpose portable 2-channel compact digital home stereo receiver box features a rotary knob control for volume adjustments
    • BUILT-IN SAFETY FEATURES: The subwoofer audio amplifier is equipped with power protection circuitry, anti-thump, and soft turn on / off. The built-in power protection circuit protects your unit and speakers from high voltage bursts

    User questions & answers

    Question: I tried wiring this up with a 12v 1.5a wall wart to test it, but didn't get so much as a power indicator. Is that enough juice
    Answer: If you are referring to the volume level, the instructions say to set the initial level on the unit to a point where it works/sounds good with your speakers. After that the listening volume is adjusted up or down by whatever you are streaming music from. I use mine with my smart phone and the it works fine to control the volume level remotely. I have never had to go back and re-adjust the unit volume.
    Question: I'm trying to amplify a signal from a cb radio to a PA speaker via aux, so what output adapter would I need
    Answer: Ditto. More watts per channel will cost more. So will the ability to handle lower impedance (2 or 1 ohm stable), but if your looking to go there your probably not looking at this amp.
    Question: Will this work on a radio, cd player on my golfcart? does this fit in between the radio and speaker or before the radio connection
    Answer: Connect power to amp, connect speakers and its ready. This has bluetooth so you can connect any device to play music. But, bluetooth quit in mine after a couple of uses
    Question: I'm wanting to hook this up to my 300w full range speaker system. Can I bridge the two 150w channels to get 300w
    Answer: APPROX: 10 x 6 x2in already installed in boat. Sounds OK but not more than 25W worth of power per channel!@

    Product features

    2 Channel 300 Watt Mini Amplifier with 3.5mm Input | Dual Channel Mini Portable Stereo

    Pyle's dual channel mini portable stereo and receiver box easily allows you to pipe music to two speakers using a 3.5 mm jack input. So you can hook it up to your iPod, laptop, or any other digital music player.

    This 300 watt rack mount audio speaker power amplifier system is a powerful solution for your trade show display. This dual channel 12V home studio amplifier is portable, mountable, and easy to conceal. It requires a 12 V DC.

    2 Channel IC Mini Amplifier with 3.5mm Input Plug with Adjustable Gain Control

    Give your home theater entertainment system a boost with this Pyle mini sound amplifier 300 watt rack mount audio speaker power amplifier system. The mini sound amplifier offers low distortion and acoustically accurate audio reproduction.

    This small multi purpose portable 2-channel compact digital home stereo receiver box features a rotary knob control for volume adjustments. The subwoofer audio amplifier is equipped with power protection circuitry, anti-thump, and soft turn on / off. It supports speakers w/ 4 ohm impedance. Enjoy high quality audio with this dual channel mini portable stereo home entertainment system.

    Hi-Fi Headphone Amplifier Portable Headphone Amp 3.5mm Stereo Audio Input Out Buit-in Power Bank 3000mAh(3v) for iPhone6, iPod, iPad, MP3, MP4, Computer, etc.

    Based on 142 reviews Check latest price

    Product description

    Headphone Amplifier

    Hi-Fi Headphone Amplifier Buit-in Power Bank, It enhances the signal input into the amp circuit for optimal performance of the headphones.

    3.5mm AUX input and output and SNR>100Db and THD+N 0.0003% make it possibility to output not just louder sound, but a sharper and more real stereo sound without distortion.

    Hi-Fi Headphone Amplifier Buit-in Power Bank, with 5F1A USB output.

    Play music time: 30Hours

    Working voltage: DC 3.7-4.2V

    Maximum power output: 100mW



    Power bank specification:

    1,Battery capacity is 3000mAh(3v) Lithium-Battery.

    2, Power bank output Max is 5V1A



    NOTE

    Make sure to turn the VOL knob to the minimum before putting on the headphones.

    USB of this product only has a charge function, does not have OTG decoding function.

    Q: It is turned to the maximum, but the volume is still not loud enough. What should I do?

    A: Our product is designed with a gain switch which can be set to H position if the sound is not loud enough.

    Q: My headphone impedance is 200Ω. It can work?

    A: According to our design theory, the product can support a headphone with 16-300 Ω impedance. Therefore that is completely OK.

    Q: All cables are connected, but there is no audio output?

    A: 1. Please check the power indicator is on, if not, turn the otentiometer on.

    2.If the power indicator lights, check that the VOL knob is in the smallest state, if it is, and it is normal to rotate clockwise in the minimum state.

    3.If both of the above are normal, check whether the audio source playback device is paused, muted, or the volume is minimal.



    iphone to headphone amp

    Lightning to 3.5mm cable is not included, you need to buy it yourself

    • ※Headphone Amplifier: can output remarkable sound without distortion which make it convenient to carry;
    • ※With Power Bank: Hi-Fi Headphone Amplifier Buit-in Power Bank 3000mAh(3v) can charge your phone once.
    • ※Use time: Headphone amplifier listening to music for more than 30 hours.
    • ※High/Low gain switch and a bass boost for optimal performance of the headphones.
    • ※The Headphone amplifier is compatible with various 3.5 MM jack output players, such as: iPhone6, iPod, iPad,MP3,MP4 and Computers ect

    User questions & answers

    Question: Can you use this with an android phone it says it's for iphones
    Answer: Yes. I use mine with android. It's awesome!
    Question: Is the main difference between the 24 and 32$ models the bass boost function
    Answer: Actually there is more of difference between the two. The $32 model, along with the bass boost has a bigger battery, and had a USB port so it can be used as a phone charger as well. Thanks for the question, the $32 model must be new or I would have purchased it. Which I am going to do right now....🙂
    Question: How much will the bass increase with the switch
    Answer: alot.
    Question: The charging light on the bottom does not come on at all. It's dead, blank. The charging cord is plugged in properly. Is it still charging
    Answer: The "charging light" is on the back of the unit near where you insert the micro charging cable, and is blue in color when activated. When the cable is plugged in, the blue light will do one of two things: 1) If it has a full charge it will constant blue light, 2) If it needs charging, the blue will flash intermittently until it full charged, then it will lit up as mentioned earlier. After it is fully charged and you unplug the cable, the light turns red for about 30 seconds then goes off. Why it does that I don't know. Just make sure that the unit is off when charging an both the cable and where you are plugging it into is operating correctly. In addition, when you use it as a power bank for maybe charging your phone, the light in back is red not blue. I hope this helps....

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