Amazon.com: Fosi Audio BL20C 320 Watts Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 CH Mini Hi-Fi Class D TDA7498E Integrated Amp U-Disk Player for Home Passive Speakers Powered Subwoofer(with Power Supply) :
Amazon.com: Fosi Audio DA2120C 240W Bluetooth 5.0 Stereo Audio Hi-Fi DAC Amplifier Support aptX 24Bit-192kHz 2.1 Channel Integrated Class D Power Amp with RCA/PC-USB/Coaxial/Optical Input and Remote Control : 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 :
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: AXESS SPBT1082-BL Portable Bluetooth Indoor/Outdoor 2.1 Hi-Fi Loud Speaker with Built-in 4" Sub + Vibrating Disk & SD Card USB AUX Inputs Blue Jean : Everything Else
Amazon.com: Mini HiFi Stereo 2.1 Channel Audio Amplifier for Home Car Marine Subwoofer Amp : 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: 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: PolarLander Hi-Fi 2.1 Super Bass Audio Amplifier 168s Subwoofer Power Amplifier Motorcycle Car Audio Amplifier : Electronics
Amazon.com: Bobtot 5.1 Surround Sound Speakers B901 Home Theater System - 10 inch Subwoofer 1200W 5.1/2.1 Channel Stereo Bluetooth Input Home Audio System for 4K TV Ultra HD AV DVD FM Radio
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: 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: Dayton Audio DTA 2.1BT2 with MK402X & MKSX4 Subwoofer 2.1 Audio System Bundle : 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: Magnavox MHT762 2.1 Channel HiFi Bluetooth Speaker System with NFC & Dedicated Subwoofer : 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: 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: AIYIMA A03 2.1 Channel TPA3116 Subwoofer Bluetooth Amp HiFi Power Amplifier DC12-24V 50W x 2 + 100W (A03 Black+DC 24V Adapter) : 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 T3 2.1 CH Hi-Fi Class AB Bluetooth 5.0 Tube Amp and Fosi Audio TP-02 Subwoofer Amplifier : Electronics