Amazon.com: ST-838 2.1CH HiFi Audio Amplifier RMS 20Wx2+40W Stereo Amplifier with Subwoofer Output Class D Mini Digital Power Amplifier Receiver with AUX for Home,Car Speakers,Black (Power Supply not Included) : 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
Amazon.com: Kinter K3118-2.1 Bluetooth 5.0 Stereo Digital Receiver Amplifier 2.1 Channel Mini Hi-Fi Class D Amp 30 Watt x 2 Channels + 80 Watt Subwoofer for Home TV DIY Auto Outdoor Passive Speakers Subwoofer : Electronics
Amazon.com: Fosi Audio T3 𝟐.𝟏 𝐂𝐡𝐚𝐧𝐧𝐞𝐥 𝐓𝐮𝐛𝐞 𝐁𝐥𝐮𝐞𝐭𝐨𝐨𝐭𝐡 5.0 Stereo Receiver 𝐀𝐦𝐩𝐥𝐢𝐟𝐢𝐞𝐫 Class AB Hi-Fi Tubes 𝐇𝐞𝐚𝐝𝐩𝐡𝐨𝐧𝐞 𝐀𝐦𝐩 for Headphones Home Audio Passive Speakers Powered : Electronics
Amazon.com: Fosi Audio BT30D Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Class D Integrated Amp 50 Watt x2+100 Watt for Home Outdoor Passive Speakers/Subwoofer Powered Subwoofer : Electronics
Amazon.com: Polarlander Hi-Fi 2.1 Super Bass Audio Amplifier 168s Subwoofer Power Amplifier Motorcycle Car Audio Amplifier : 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: Fosi Audio BT30D Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel and Box X2 Phono Preamp : Electronics
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: Logitech Z313 2.1 Multimedia Speaker System with Subwoofer, Full Range Audio, 50 Watts Peak Power, Strong Bass, 3.5mm Inputs, PC/PS4/Xbox/TV/Smartphone/Tablet/Music Player - Black : Electronics
Amazon.com: Q100 2.1 Channel Hi-Fi Bluetooth 5.0 Power Amplifier Class D Mini Stereo Audio Amp Speaker Subwoofer Wireless Receiver 80W+40Wx2 Dual DSP (Black) : Electronics
Amazon.com: YJ-TPA3116 2.1 Digital Amplifier HiFi Home Desktop Audio Amplifier 2 * 50W+100W : Musical Instruments
Amazon.com: Microlab M113BT Wireless Bluetooth Hi-Fi 2.1 Home Theater : Electronics
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: 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: Mini HiFi 2.1 Stereo Bass Car Home Audio Power Amplifier, Supports Mobile Phones / DVD Players / Computers / MP3 / MP4(Black) : Electronics
Amazon.com: IXUFO 12V Mini Amplifier with 2.1 Channel Bass Subwoofer Output, 300 Watt Home Audio Music Stereo Hi-Fi Power Amp for PC TV Phone Car Vehicle S : Electronics
Amazon.com: Power Amplifier Stereo Amplifier,Digital Amp Mini HiFi 2.1 Stereo Bass Auto Car Home Audio Power Amplifier with RCA and 3.5mm Audio Input,Two Pairs of Speaker Output Clips(Silver) : Electronics
Amazon.com: XY-S100H 2.1 Channel Bluetooth Power Amplifier Board with APP Control, TPA3116 Chip 50W×2+100W, 12V-24V Audio Power Amplifier Module, Support Setting Bluetooth Name and Password : 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: S.M.S.L A300 HiFi Power Amplifier 2.1 Ch 165W x 2 Bluetooth 5.0 Class D Integrated Amp SDB Sound Effects Hi-Res Stereo Audio Receiver BTL Mode THD+N 0.004% (with Remote Control) : Electronics
Amazon.com: Lepai LP-168HA 2.1 2x40W Mini Amplifier + 1x68W Sub Output : Electronics
