Audio Amplifier Board with Bluetooth 5.0, 10W 15W 20W 2.0 Dual Channel Stereo Wireless Mini Amp Module with Protective Shell

I don't often buy things that don't yet have a review, but at this price I figured I go for it. This thing is awesome. It is tiny, less than half the size of a credit card. And it is loud! Also, the Bluetooth antenna is great! I can walk around my house with my phone and I haven't gotten it to cut out at all. I have a Bluetooth speaker that cuts out if I just go to the other room. I ran it into 8ohm speakers with 24v\1a and 12v\5a power supplies I have on hand and both work great. I did notice that the board ran quite warm with the 24v power supply. The instructions do say that if you run 24v to use a heat sink. The board itself is very neat and the black PCB is a nice touch. The included acrylic and standoffs are a nice touch. I only have two criticisms, which are minor especially considering the price: 1) the included DC plug is wired incorrectly. The red wire is negative and the black is positive. The board itself is marked correctly. I could not initially get it to work due to this. I sent an email to the address on the documentation and they responded very quickly and let me know if the problem. I swapped the wires and it worked perfectly. The support person said that they are working to update the included documentation. 2) The beeps that let you know it turned on, volume maxed, Bluetooth connected, and Bluetooth disconnected are fairly loud. The nice thing, though is that the volume maxed beep does not interrupt the audio stream. I've only had this thing for a few days. I will update it if anything drastically changes.

¡Este pequeño amplificador funciona muy bien! Yo lo usé para conectar un par de bocinas exteriores y lo alimento con música vía Bluetooth desde el móvil. Estoy usando un eliminador de baterías de 12 V y 1.2 A y funciona muy bien. Es realmente muy pequeño (como la mitad del tamaño de una tarjeta de crédito), por lo que se puede usar en cualquier espacio. La instalación no tiene problema alguno y en menos de 5 minutos queda listo para funcionar... Recomiendo hacerse de un eliminador de baterías que tenga distintos tamaños de salidas para no errar al seleccionar el necesario para la entrada del amplificador.

tarjeta de audio y Bluetooth de buena calidad, la etapa de audio no es de buena calidad, se satura a bajo volumen, lindo juguete.

This little amp.is powerful beyond its wattage. I cobbled together a small bluetooth speaker box with this and some speakers i had from a dead Bose soundbar. Little thing will run you out of the room! The amp works quite well with a 2ah 12vdc lithium battery. Couldnt ask for more than i got for the price.

Others complain about the Bee-Doo sound when first powered up. I didn't find it all that annoying. But then again I'm using smaller speakers (out of an old computer monitor - not bad sound by the way) and I'm powering the module with 12VDC, not 24. I'm sure it would be louder with higher voltage, but for my purposes 12V is just fine. I've built a gift for the wife. She likes to play her music from her cell phone. Doesn't sound good that way at all. So I took some wood and built two tiny speaker boxes and mounted the module inside one of them. I'm impressed with the sound and performance. Haven't given it to the wife yet, it's for her birthday coming up in the next few weeks. So it hasn't had much of a workout. But the testing I did - it sounds good. It's not a BIG system so don't expect concert hall sound. But with the right speakers it's pretty good.