Amazon.com: Facmogu ST-838 2.1 Channel HiFi Stereo Subwoofer Amplifier, RMS 20Wx2+40W Mini Digital Audio Power Amplifier for Home Speakers, 80W Subwoofer Amplifier Audio Stereo Bass Amp with Power Supply - Black :
Amazon.com: 1Mii Bluetooth Digital Amplifier, Bluetooth 5.0 Stereo Audio Amplifier Receiver Long Range 2.1 Channel Mini Hi-Fi Bluetooth Amp for Home Speakers, Bass & Treble Control : Electronics
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
Amazon.com: Diitao ZK-TB21 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control DIY Wireless Speakers AMP Board DC 12-24V Audio Power Amplifier Module for Theater Speakers DIY Speakers : Electronics
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
Amazon.com: Pyle 2.1 Bluetooth Marine Amplifier Receiver - Waterproof 4 Channel Wireless Bridgeable Audio Amp for Stereo Speaker with 1000 Watt Power Dual MOSFET Supply, GAIN Level and LED Indicator -PLMRA430BT : Electronics
Amazon.com: Digital 2.1 Channel Subwoofer Amplifier Board 6W+6W+25W Pure Bass, Mini DC12V-15V TDA1517P HiFi Stereo Audio Power Amplifier Dual Channel Amp Module for Store Home Theater Speakers, Car Audio Speaker : Electronics
Amazon.com: Btuty 2.1 Channel Subwoofer Power Amplifier Module DIY Kit 50Wx2+100W Treble Bass Control DC 12-24V BT Audio Amplifier Board Stereo Speaker Digital Amp for Audio System : Electronics
Amazon.com: Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel 50W×2+100W, 12V-24V Audio Power Amplifier Module with Treble and Bass Control for DIY Bluetooth Audio and Store Home Theater : Electronics
Amazon.com: Car Audio Amplifier, 2.1 Mini Hi-Fi Stereo Audio Power Digital Amplifier Digital Amp for Home/Car Audio(Black) : Electronics
Amazon.com: UWAYKEY Bluetooth Amplifier Board 2.1 Channel Class D AMP Module with Dual TPA3116D2 Chip (ZK-TB21) : Electronics
Amazon.com: Mini HiFi Stereo 2.1 Channel Audio Amplifier for Home Car Marine Subwoofer Amp : Electronics
Amazon.com: Digital 2.1 Channel Subwoofer Amplifier Board 6W+6W+25W Pure Bass, Mini DC12V-15V TDA1517P HiFi Stereo Audio Power Amplifier Dual Channel Amp Module for Store Home Theater Speakers, Car Audio Speaker : Electronics
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
Amazon.com: HiLetgo TPA3116D2 2 x 50W 2.1 Channel Digital Audio Power 100W Amplifier AMP Subwoofer : Electronics
Amazon.com: 20W+20W+40W Hi-Fi Power Amplifier Digital Amplifier with 12V 2A Power Supply 2.1 Channel Mini Amplifier Subwoofer Amp Stereo Bass Treble RCA Input Audio for CD MP3 MP4 PC Car Home Speaker :
Amazon.com: Dayton Audio DTA-2.1BT2 Bluetooth 5.0 Stereo Audio 2.1 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.1 CH for Home Speakers 100W and 100W Sub Output : Electronics
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
Amazon.com: Amplifier Board 240W High Power 2.1 Subwoofer Power Amplifier Board 3 Channel Audio Amplifier Board Home Theater : Electronics
Amazon.com: FBHDZVV TPA3116D2 Amplifier Board, 50WX2+100W 2.1 Channel Digital Power Audio Amplifier Board Subwoofer Speaker Stereo AMP Module Noise Cancelling Free Sound Adjustment Power Amplifier DC 12-24V : Electronics
Amazon.com: XRONG Subwoofer Amplifier Home Audio, Bluetooth Amplifier 5.0 Stereo,2.1 Channel Mini Hi-Fi Class D Integrated Amp 80 Watt x2+80 Watt for Home Outdoor Passive Speakers,Powered Subwoofer : Electronics
Amazon.com: Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Wireless Speakers : Electronics
Amazon.com: Audio Power Amplifier, 2x15W + 20W Hi-Fi 2.1CH HiFi Stereo Subwoofer Amp Home Bass Audio Power Amplifier Digital Amp for Auto Car MP3 MP4 PC Speaker(Black) : Electronics
Amazon.com: Clyxgs TPA3116D2 2.1 Digital Power Amplifier Board, 2x80W+100W(Bass) Audio Stereo AMP Module for Audio System DIY Speakers 12-26V : Electronics
Amazon.com: DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp),Bluetooth Amp : Electronics
Amazon.com: Bluetooth 2.1 Amplifier RT-16B, Mini Hi-Fi Class D Integrated Amp for 100W x 3 with Bass and Stereo Control Home Subwoofer and Speakers (with Power Supply) : Electronics
