K3118-2.1 Bluetooth 5.0 Stereo Digital Receiver Amplifier 2.1 Channel Mini Hi...

Fosi Audio TDA7498E 2.1 CH Amplifier 160Wx2 Heavy Duty Class D Amp DIY Subwoofer

Bluetooth 2.1 Channel Subwoofer Bass Class D Mini Hi-Fi Amplifier Audio Receiver

Bluetooth 5.1 Audio Stereo Amplifier Board,200W Hifi 2.1 Channel Mini Subwoofer

TPA3255 Stereo Power Amplifier 300W Class D Amp 2 Channel Speakers HiFi Theater

Pyle 2.1 CH Wireless Stereo Power Amplifier - 200W Bluetooth Mini Amp with USB

A50 PRO HiFi Power Amplifier High Low pass filter 2.1 Channel Infineons MA12070P

Mini 2.1 Channel Digital Amplifier Subwoofer Amp Bluetooth Home Speaker Receiver