100W Bluetooth 5.0 Amplifier Board with Treble and Bass Control, TPA3116D2 50Wx2, Bluetooth AMP Board for Home Passive Speakers

This worked exceptionally well for my DIY Bluetooth speaker. It provides ample power for two speakers, and the Bluetooth connection is seamless. The knobs are smooth and easy to use. The size is great, and the overall quality is excellent. I would definitely buy again.

It works pretty well. I had a fair bit of noise coming through the speakers when I turned the volume up very high at all on the this unit which was disappointing, but then I realized the issue almost entirely goes away if you keep the volume on this unit low, and instead crank the volume on the connected device (laptop, phone, etc). This is despite delivering the full 24V power and checking polarity, so if you still have noise after all troubleshooting, try this. I am still able to get a good loud speaker volume with the volume knob turned pretty low with connected device volume turned up most of the way.

The popular ZK-502T has probably been sold a million times by now. I have purchased at least 10 so far for all my projects. If you want better, spend more. This is the cheapest Bluetooth amp board there is with T&B controls and a TPA3116 chip. Two thumbs up.

I purchased and wasn't happy with product so I'm actually returning it, just sent it back today. Once wired up, the light turns on but doesn't always hook up to speakers. I'd say 1/10 times you turn it on it'll hook up. Don't buy unless you want to be irritated by just tryna get the damn thing to work.

Hard to put together and sound quality sucks it makes my speakers distorted

I used it in a jukebox, with a 9V power supply, that doesn’t have high-end speakers.It would be nice if the product included a face plate, or marked knobs, to know which knob does what when mounted in a cabinet. It wasn’t a big deal for me, because I used a Dremel to cut down the top plate that comes with the product.

I love the build quality of this little amplifier, and am very impressed with the excellent power output at the 50Wx2 rating. It definitely sounds better than other similarly rated amplifier boards I've used in the past.The only downside has been the bluetooth function. I connect this via Bluetooth to my Echo Dot and any time there's speech sent to this amplifier, the first second or so gets cut off completely.I'm not sure if this is "operator error"... I had a previous bluetooth amplifier that was an older generation with less power output, but never had any such lagging when outputting sound via Bluetooth.

Its legit installed it to my custom modedd arcade 1up cabinet. You get that thump like the old school arcades.