Pam8610 Digital Power Amplifier Board 2x15w Dual Channel Stereo Mini Class D Speaker Subwoofer Audio Amplifier Module - Integrated Circuits - AliExpress
Modul amplificator subwoofer mono 1000W Clasa D – eSonoff
Kit amplificator subwoofer 100W
NS-SW300 - Overview - Speakers - Audio & Visual - Products - Yamaha - United States