2*50W+100W Power Subwoofer Bluetooth Amplifier Board Sound Class D Home Theater Audio Stereo Equalizer AUX Amp | Wish
Planet Audio 1800-Watt Subwoofer plus Boss 1500-Watt Amplifier with Amp Kit plus Q-Power Enclosure AC12D + AR1500M + AKS8 + QSBASS12-VENTED - The Home Depot
Amazon.com: XRONG Wireless Audio Subwoofer Amplifier, Audio Bluetooth 5.0 Stereo,2.1 Channel Mini Hi-Fi Class D Integrated Amp 100 Watt x2+100 Watt for Home Outdoor Passive Speakers,Powered Subwoofer : Electronics
110/220V Mono 200W Subwoofer Digital Amplifier Board | Best Audio and Lighting Equipment
SB34 12" Subwoofer Kit with SpeakerPower Amp
2) American Bass TNT-1244 1200w 12" Subwoofers+Vented Sub Box+Amplifier+Amp Kit - Rockville Audio
German Hifi Enthusiast Classic Line Mbl6010 Pre-jrc5534 Pre-board Amplifier Diy Kit Class A Finished Board - Home Theater Amplifiers - AliExpress