2.1 Amplifier 50W x 50W x 100W with Built-In Bluetooth 3.0 Backlit LCD Screen, and IR Remote
Bluetooth Audio Amplifier Board with 2 x 100W + 200W 2.1 Channels – TSA7500B (Apt-X) – Oz Robotics
2 x 50W + 100W 2.1 Channels SPDIF Coaxial+DSP Amplifier Board – TSA7800C – Oz Robotics
Amazon.com: Bluetooth Amplifier Board 2.1 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers with Antenna : Electronics
Diy Kit Tda7293 2.1 Amplifier Board Amplifier 2.1subwoofer With Speaker Protection Zero Noise Upgraded Hifi Amp - Home Theater Amplifiers - AliExpress
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
DX-2.1 Channel High Power Amplifier Board AC18~24V 100W+100W+120W
DX-2.1 Channel High Power Amplifier Board AC18~24V 100W+100W+120W
Digital Power Amplifier Board 50W*2+100W Bluetooth 2.1 Channel Bass Stereo Case | eBay
2.1 Channel Power Amplifier Board Audio Digital Amplifier Speaker - Walmart.com
Class AB Amplifier, DROK 2.1 Channel 80W+80W Stereo and120W Pure Bass 9-18V 4Ω Audio Amplifier Board