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audio amplifier module

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audio amplifier module Customers Reviews

  • Very powerful for it's size.

    posted by stamatis75

    Small size, can fit nicely in a small project box.Quite powerful, tested it with a 100w roister speaker and run it decently. Voltage used was 18V.
    I used an old bicycle flashlight that run on D batteries as case and fitted connector for power supply from an old broken hp printer, as speaker connectors i drilled and fitted banana jacks to make connected speakers easy. The power adapter i used was from the same hp printer which was at 18v 2.23Aps.
    Very nice product for DIY projects. I would buy again.
  • Almost plug'n play!

    posted by walker12

    Easy to connect to speakers and power supply.No need for heat sink, at moderate use.Comes with a volume control.Build-in output filters reducing electro smog.
    It took me less than 30 minutes to have something up and running.First try used 4 speakers at 4 Ohms (2x2 in series). All coming from PC speaker sets. Not the best results. Speakers were too small.Then connected to a standard set of 8 Ohm speakers. Much better!
    If you need a small amp at, say, 5-10W in 8 Ohms, this may be it.
  • Superb Micro amplifier

    posted by skinnybloke

    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 !
    This will be sooo good for Rasberry pi user, how cool would a tiny 5 volt sub+sat system be ?
    If you need a tiny high performance amp with mini subwoofer, look no further :DI love this little amp bored x
  • Easy to use andf greaty sound!

    posted by Derfpa

    *Easy to use (basically no extra components needed)
    *Dedicated pin for "on"-mode
    *Seems to have saftey circuits against faulty wiring. Mine seemed burned a few times (while experimenting) but got reset after reboot.
    This is a nice little chip! It runs very cool and the output quality is good as long as you don't push it to the limit.
    Perfect use is for portable battery powered speakers, since it only needs 3 ordinary batteries to run. Although, I would recommend sku.44122 in most cases to prevent distortion. (But that one needs at least 10 at VCC)
    If you're building a small battery powered speaker for you cellphone/mp3-player then this one is for you! You cant get much cheaper and power efficient!
    But remember, its not possible to use as a headphone amplifier since channel one dies when connecting- of both channels together.
  • Great amplifier

    posted by FlavioBayer

    Very powerful, it's a 3Wx2 amplifier, but i connect it on my computer and the sound that i almost couldn't hear beafore, now I can hear it without problem with the volume level in 10%
    It also works with my cellphone battery(SKU.23723), but I use an USB port(~5v) as power supply, just get an USB cable from my old printer that don't work, cut it and plug on the device and works perfectly(red=+,black/white=-).
    I don't know much about eletricity, so I've bought this one just to see if i could make it work and bought the SKU.44125 that is more powerful and it works.

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