💪 Zerone TDA8954TH Amplifier Board: Powerful Dual Chip Digital Audio Amplifier, 2x420W Ultra High Power Module Review

I received this item on time but it was defective. I connected a 19vdc power supply with extra wiring so I can connect audio to my phone. With the outputs correct, I plugged it into a 4 ohm speaker and the output tone was 0. The LED was lit when I plugged it into mains, but nothing else. If I'm doing something wrong, please let me know. But there is 1 star because there was no instructions and no output. I'll update if I somehow get it working.

I love this unit, I bet it's really cool! My problem is that there are no instructions and I can't find any information on what power supply to use anywhere! There is no diagram of anything. It comes with nothing and there is no website to get information for help. So for lack of help it just sits on my desktop while I wait for 3 other amps with the same chip and configuration. I'm really disappointed because I've waited so long to test and play with this thing. If I ever succeed, which I'm…

The first thing I pulled out was the heatsinks (I bought 2 amps) without the thermal paste which I expected from amps at such a low price. TIM created and connected to AN 4220, which comes from a transformer of approx. 2 x 24 VAC in my house. I have used several pairs of Sony SS-CS5 and Polk Audio R15 from these amps (one pair of each), the sound was good when listening near field. ran for about twenty minutes, radiator measured 134F. I would like to try a higher potency, but what? Couldn't…