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audio board Customers Reviews

  • Good class-D amp.

    posted by dgedi

    -Stay lukewarm at low level (<5watt) and around 40°C for 2x15watt approximately.-No on/off "pop" at all.-Good sound quality.-Small and compact board, easy to integrate.-Great voltage range operation. -Very low humming (at least with a 24v power supply and 90db/w/1m speakers)
    I use it right now with a generic 24V/5A switched-mode power supply ,a 5€ USB sound-card and a 50Kohm logarithmic potentiometer. Sound is very good on my cheap 6Ohms Jamo S406. After a short break-in (2/3 hours) the bass are solid, treble/medium are clean. I didn't test it at high level but I think its powerful enough for a small party in the living room :)
    Definitely a good price/performance ratio. I would recommend it for someone who want a good sounding inexpensive system. Thanks DX for this very affordable chinese DIY audio board, they are good sounding and fun to play with. ps: Sorry for my mistakes, english is not my native language.
  • Nice little unit.

    posted by only1humann

    I get tired of having to use my phones touchscreen EQ to adjust the audio before being sent to my amplifier. This does the trick well! Pots rotate smoothly, no crackling, or other noise. Unit looks nice and had no defects.
    Mounted it in a leftover clear plastic helicopter servo box. It worked out nicely.
    Sometimes "old school" is better than new technology.
  • 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.
  • 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.
  • 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

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