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amplifier module board

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amplifier module board Customers Reviews

  • good audio quality

    posted by adjevanhethof

    - audio quality s good, no noise, hum or other artefacts- when running on 3.7v (of a li-ion cell), this unit still functions reliably and produces quite adequate audio levels- input senitivity is such that you can drive it directly from the headphone ouput of an ipod or smartphone- very low qiescent current; will run for a long time on a battery- well built, connection cables were included
    I used this little unit in combination with a bluetooth receiver (also at DX), using the li-ion battery of the bluetooth receiver to power this little amp. totgether with two proper loudspeakers, you get a low-cost wireless boombox with a really good sound quality.
    great component. at this price, there is no point to build it yourself.
  • Buen amplificador

    posted by juliov

    This gives very good amplifier output power with very little noise. music is mounted for moving two 8 ohm speakers in series, parallel is excessive because the audio level even the minimum of the source. It is with adjustable gain to a minimum. Not heated at all.
    I have a second amplifier in the car to try and spice up the speakers as standard, the source does not give much output.
    Totally recommended, not worth anything go riding.
  • Max

    posted by djkosmos1998

    This is the most aamassing amplifier i have purchased so far from DX ! Its not the most powerful, but its so Tiny ! The output you can achive from this far exceeds expectation ! The sound quality is fantastic, low and high level, and a very low noise floor for a digital amp that has no output filter, i will be purchasing more !
    If you need a tiny high performance amp with mini subwoofer, look no further .
    Great product, very pleased to acquire.
  • amazing good quality

    posted by csamila

    very small, all cables ready to use, powerfull, perfect sound, do not heat up.
    I buy to fix an equipmentt with an output damaged, works perfectly, the soud seems to have much more than 3W, the original one I fix had original 30W chips in the output and I almost don't see the diference. inside a room no diference at all, maybe outoor in a top power.
    top one to fix, replace or jut to finish a project, becomes ready, with wires, plug and sound.you don't neet to expend time and money to assembly a stereo amplifier. Very good quality.
  • a basic powered mp3 player

    posted by hansn

    The module automatically starts playing and repeating all songs. A small delay between songs, no clicks.
    The middle button works as pause, it starts/stops current song. When you hold longer than 1 second it will switch to another mode. Presumable using the line input. The nex/prev buttons now work as volume+/-. This mode is untested. A bit strange because the potmeter regulates the volume too. There is a on/of switch integrated in this potmeter.On the back there is a mute function without a connector. You will need a soldering iron for this.The LED is on when in pause, blinking when playing. When starting up this LED is blinking more quickly for about a second. Then it starts playing. Sound quality untested, with a 5 cm speaker the amp chip gets a bit warmer, I estimate about 30 degrees Celsius.
    a basic powered mp3 player. Works fine.

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