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green amplifiers Customers Reviews

  • Keep alive your old speakers

    posted by polomatus

    If you have a speaker saved in an storage and old speaker rounding the house or a beloved old device that you want to make it comeback to life this is your option. Great for business
    I use it in an old large speaker, i though it would be short on power but was a surprise it was more than enough for a 1" coil speaker, it make big noise. I also recycle and old tape recorder and make it a vintage MP3 player with speakers that looks not just great but unique.
    If you know electronics and have many old devices on your home, this is the exact device to make them alive.
  • 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.
  • amazongly powerful and good sound quality

    posted by adjevanhethof

    - very low energy consumption on idle- good build quality: PCB is properly assembled with goor quality components- good sound quality, no quiescent noise, distortion or other audible artefacts. Frequency response is good also, deep powerfull bass and clear high.- powerfull sound, already starting at supply voltage levels from 8V.
    this is a great little amp that can be directly hooked up to an Ipod, mobile phone or media player. The potmeter has a smooth control and adapts for the typical output levels of these devicesI have combined the amplifier with a Bluetooth stereo receiver module and a Li-Ion battery pack, all available from DX, powering a set of old car speakers. This setup makes a great wireless boombox with lots of power and great sound quality, comparable with the ones that cost hundreds of dollars.
    great value for money and quality component.
  • 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
  • A very useful item for me. I connect it between my TV and headphones.

    posted by rsebela

    It is very precise build. You can use power from USB (5V). Small size with switch potentiometer, adjust the volume and control power switch. Ideal for battery or portable products. I connect it (and powered it) to my smart TV, because output for headphones was not very loud. Now is all OK... :-)
    The price should be a little smaller. It should come with some nice box for install... :)
    A very useful item for me. I connect it between my TV and headphones...

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