![Amazon.com: Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Digital Power Amplifier Module Subwoofer Control with AUX/Bluetooth/USB Flash Drive : Electronics Amazon.com: Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Digital Power Amplifier Module Subwoofer Control with AUX/Bluetooth/USB Flash Drive : Electronics](https://m.media-amazon.com/images/I/71awZA+LKGL.jpg)
Amazon.com: Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Digital Power Amplifier Module Subwoofer Control with AUX/Bluetooth/USB Flash Drive : Electronics
![Amazon.com: 200W Bluetooth 5.0 Stereo Audio Receiver Amplifier Board with Treble and Bass Control 2 Channel Mini Wireless High Power Digital Amp Module for Home Passive Speakers… : Electronics Amazon.com: 200W Bluetooth 5.0 Stereo Audio Receiver Amplifier Board with Treble and Bass Control 2 Channel Mini Wireless High Power Digital Amp Module for Home Passive Speakers… : Electronics](https://m.media-amazon.com/images/I/71OZqINZzML.jpg)
Amazon.com: 200W Bluetooth 5.0 Stereo Audio Receiver Amplifier Board with Treble and Bass Control 2 Channel Mini Wireless High Power Digital Amp Module for Home Passive Speakers… : Electronics
![Amazon.com: YWBL-WH 5W + 5W Bluetooth Amplifier Board, Mini Bluetooth Amplifier Board Module 4.2 Circuit Stereo Speaker Digital Module, Module : Electronics Amazon.com: YWBL-WH 5W + 5W Bluetooth Amplifier Board, Mini Bluetooth Amplifier Board Module 4.2 Circuit Stereo Speaker Digital Module, Module : Electronics](https://m.media-amazon.com/images/I/61wIqFU6eKL.jpg)
Amazon.com: YWBL-WH 5W + 5W Bluetooth Amplifier Board, Mini Bluetooth Amplifier Board Module 4.2 Circuit Stereo Speaker Digital Module, Module : Electronics
![Amazon.com: DAMGOO Audio Amplifier Board with BT 5.0, 10W 15W 20W 2.0 Dual Channel Stereo Wireless Mini Amp Module with Protective Shell : Electronics Amazon.com: DAMGOO Audio Amplifier Board with BT 5.0, 10W 15W 20W 2.0 Dual Channel Stereo Wireless Mini Amp Module with Protective Shell : Electronics](https://m.media-amazon.com/images/I/714eKmpP0pL.jpg)
Amazon.com: DAMGOO Audio Amplifier Board with BT 5.0, 10W 15W 20W 2.0 Dual Channel Stereo Wireless Mini Amp Module with Protective Shell : Electronics
![Amazon.com: Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω : Electronics Amazon.com: Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω : Electronics](https://m.media-amazon.com/images/I/61xEqs19a8L.jpg)