Amazon.com: Fosi Audio DA2120A Bluetooth 5.0 DAC Hi-Fi Stereo Receiver Audio Amplifier Support aptX 2.1 CH Integrated Class D Digital Power Amp for Passive Speakers Active Subwoofer with Remote Control : 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: PolarLander Hi-Fi 2.1 Super Bass Audio Amplifier 168s Subwoofer Power Amplifier Motorcycle Car Audio Amplifier : Electronics
Amazon.com: Pyle Portable Speaker, Boombox, Bluetooth, Rechargeable Battery Digital Sound Amplifier, SD/FM Radio, 2.1 Channel Hi-Fi Active Stereo Speaker System, Built-in Flashing LED Party Lights-PBMSPG16 Black : Electronics
Amazon.com: Dayton Audio DTA 2.1BT2 with MK402X & MKSX4 Subwoofer 2.1 Audio System Bundle : Electronics
Amazon.com: HiFi 2.1 Channel Digital Amplifier Bluetooth 5.0 Receiver Mini Stereo Audio Amp : Electronics
Amazon.com: ASHATA Power Amplifier Stereo Amplifier,Digital Amp Mini HiFi 2.1 Stereo Bass Auto Car Home Audio Power Amplifier with RCA & 3.5mm Audio Input,Two Pairs of Speaker Output Clips (Silver) : Electronics
Amazon.com: Fosi Audio BL20A 200W Bluetooth 5.0 Home Audio Stereo Amplifier Hi-Fi Mini Class D Integrated Amp with U-Disk/3.5MM AUX/RCA Input and Remote Control for Home Passive Speakers with Power Supply :
Amazon.com: AXESS SPBT1031 Portable Bluetooth Indoor/Outdoor 2.1 Hi-Fi Cylinder Loud Speaker with Built-in 3" Sub and SD Card, USB, AUX Inputs in Red : Electronics
Amazon.com: Facmogu ST-838 2.1CH Subwoofer Amplifier Audio Stereo Bass Amp, RMS 20Wx2+40W Class D Amplifier with Subwoofer Output, 80W Mini Sub Bass Amp Digital Power Amplifier with Power Supply - Black :
Amazon.com: XZJX Direct 2.1CH TV Soundbar, Soundbar with 6.5'' Wireless Subwoofer(135dB), HiFi/Dynamic/3D Surround, 4K HDR, CEC Remote Included, HDMI ARC/Bluetooth/Optical/Aux Soundbar-240W, Black : Electronics
Amazon.com: NHT SuperOne 2.1 Premium Home Theater Bookshelf Speaker - Clean, Hi-Res Audio | Sealed Box | Mini-Monitor | Single Unit, Gloss Black : Everything Else
Amazon.com: Nobsound HiFi 2.1 Channel Bluetooth 5.0 Power Amplifier Board Case Stereo Subwoofer Amp : Electronics
Amazon.com: Computer Speakers for Desktop, RGB PC Gaming Speaker with Subwoofer Stereo HiFi Wireless Bluetooth 5. 0 Transparent Window, 2 Bass Speakers 2 Tweeters 2 Diaphragms DC12V2A USB 3.5mm AUX Black : Electronics
Amazon.com: MakerHawk Bluetooth Amplifier Board HiFi Stereo 2.1 TPA3116D2 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater 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: Wendry Stereo Audio Amplifier, Mini HiFi 2.1 Stereo Bass Car Home Audio Power Amplifier, Professional Digital Amp for Use on Your Carrier or at Home (Silver) : Electronics
Amazon.com: Fosi Audio T3 2.1 CH Hi-Fi Class AB Bluetooth 5.0 Tube Amp and Fosi Audio TP-02 Subwoofer Amplifier : 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: UCINNOVATE Bluetooth 5.0 Audio Stereo Amplifier, Hi-Fi Audio Receiver Amplifier 2.1 Channel Mini Amp 50 Watt x2+100 Watt for Home Theater Passive Speaker & Subwoofer Power Adapter Plug : 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: Magnavox MHT762 2.1 Channel HiFi Bluetooth Speaker System with NFC & Dedicated Subwoofer : Electronics
Amazon.com: [Upgraded] Bluetooth Amplifier, 1Mii Bluetooth Digital Amplifier, Bluetooth 5.0 Stereo Audio Amplifier Receiver Long Range 2.1 Channel Mini Hi-Fi Amp for Home Speakers 100W x 2 w/Bass & Treble Control :