Ximimark DC 1.8-12V TDA2822M Audio Amplifier Board 2.0 Channel Stereo Amp 3.5mm AUX Audio Amplifier Module 2Pcs

This thing sounds great when it's working! Unfortunately it has required frequent re-assembly (five or six times in the first two weeks) to restore it to working order. I've tightened the output connectors as tight as they'll go, and the wires still loosen and fall out. Needs a better connector for the output wires.

I tried them once and never use them , since the sound isn't what I was expecting to get . Comparing this to my phone, I bet my phone won.

This amplifier has a faint whine when used to adjust volume of a powered subwoofer (subwoofer doesn't have its own volume control). May work ok with low power speakers vs. driving another amplifier input.Ended up using an amp board intended for use as a pre-amp.

I ordered two. For panel mounting the pots, one included a nut, but no washer, the other came with a washer, but no nut. A 1/8"-3/5mm plug does not fit in the input jack. I tried many different ones with no luck. A 3/32"-2mm plug just wobbles around. I've had the same issue with PCB mounted phone jacks on other types of modules I've ordered. This is with both thru-hole jacks and surface-mount ones. I think that badly manufactured internal contacts are preventing the plugs from being fully inserted. I can us the amps by soldering wired directly to the jack pins on the bottoms of the PCBs.

The 3.5mm headphone connector is a input. Runs a good while on 4 AA batteries. I've been using this to drive 2x50ohm speakers from a old TV. As input been using my PC headphone jack. Set PC volume at 30% and board volume at 50%. No issues so far.

I used this amp to drive a small speaker with my laptop output. No distortion and so easy to hook up!!

Wire terminal screws are too tight from factory , easy to mess up . One i couldnt back out.Quality product for the price and perfoms well

Pretty good! Just be aware, that aux port is for sound input, not output. I thought that it could be used for sound output, which is why I bought this one, but it can't.