Bluetooth Audio Amplifier Board with 2 x 100W + 200W 2.1 Channels – TSA7500B (Apt-X) – Oz Robotics
TPS3116D2 Class D 2.1 Bluetooth 5.0 Amplifier Board 2 x 50W + 100W with Filter and Volume Controls
TPA3116D2 Amplifier Board 2.1 Channel Class D Digital Power Audio Stereo AMP Module DIY Speaker | Wish
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
2.1 Hi-Fi Class D Audio Amplifier Board 2 x 15W + 30W 10-18 VDC
Amazon.com: Digital 2.1 Channel Amplifier Board Bluetooth USB Input 50w x2 Subwoofer BTL 100w Home Stereo Amplifiers for Speakers DC 12V-26V : Electronics
2 x 100W + 200W 2.1 Channels Bluetooth Audio Amplifier Board - TSA7500
Digital Power Amplifier Board 50W*2+100W Bluetooth 2.1 Channel Bass Stereo Case | eBay
Amazon.com: Amplifier Board 240W High Power 2.1 Subwoofer Power Amplifier Board 3 Channel Audio Amplifier Board Home Theater : Electronics
2.1 Channel Subwoofer Amplifier Board High Power Audio Amplifier Board Module (200W) (motherboard and knob), Premium - Walmart.com
DX-2.1 Large Power Audio Amplifier Board Channel High Power Subwoofer Dual Home Theater AC18V-24V DIY Supplies - Walmart.com
2.1 Amplifier with 100W+50W *2 for DIY Audio-Arylic.com