![Amazon.com: Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel 1000W Max Power Home Theater Stereo Receiver with USB, SD, FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home - Amazon.com: Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel 1000W Max Power Home Theater Stereo Receiver with USB, SD, FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home -](https://m.media-amazon.com/images/I/61CpgL3vvsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel 1000W Max Power Home Theater Stereo Receiver with USB, SD, FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home -
![Stereo 3.7W Class D Audio Amplifier - MAX98306 : ID 987 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits Stereo 3.7W Class D Audio Amplifier - MAX98306 : ID 987 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/987-04.jpg)
Stereo 3.7W Class D Audio Amplifier - MAX98306 : ID 987 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: Pyle Bluetooth Home Audio Amplifier Receiver Stereo 300W Dual Channel Sound Audio System w/MP3, USB, SD, AUX, RCA, MIC, Headphone, FM, LED, Reverb Delay, for Home Theater Speakers, Studio - PDA69BU : Amazon.com: Pyle Bluetooth Home Audio Amplifier Receiver Stereo 300W Dual Channel Sound Audio System w/MP3, USB, SD, AUX, RCA, MIC, Headphone, FM, LED, Reverb Delay, for Home Theater Speakers, Studio - PDA69BU :](https://m.media-amazon.com/images/I/81Ctg8tY6AL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle Bluetooth Home Audio Amplifier Receiver Stereo 300W Dual Channel Sound Audio System w/MP3, USB, SD, AUX, RCA, MIC, Headphone, FM, LED, Reverb Delay, for Home Theater Speakers, Studio - PDA69BU :
![Adafruit I2S 3W Class D Amplifier Breakout - MAX98357A : ID 3006 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit I2S 3W Class D Amplifier Breakout - MAX98357A : ID 3006 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/3006-00.jpg)
Adafruit I2S 3W Class D Amplifier Breakout - MAX98357A : ID 3006 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel 1000W Max Power Home Theater Stereo Receiver with USB, SD, FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home - Amazon.com: Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel 1000W Max Power Home Theater Stereo Receiver with USB, SD, FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home -](https://m.media-amazon.com/images/I/61CpgL3vvsL.jpg)