Amazon.com: XY-E30H 2.1 Bluetooth Power Amplifier Board 15W*2+30W Support Custom Bluetooth Name, Audio Power Amplifier Module with 12V/5A DC Power Supply for DIY Bluetooth 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: iLive Bluetooth 2.1-Channel Music System, Black, (iHB26B) : Electronics
Amazon.com: Edifier S360DB 80-Watt-RMS 2.1-Channel Amplified Bluetooth Bookshelf Speaker System with 75-Watt Wireless Subwoofer : Electronics
Amazon.com: Harman Kardon HK SoundSticks 4-2.1 Bluetooth Speaker System with Deep Bass and Inspiring Industrial Design (White) : Electronics
Amazon.com: Amazon Basics Portable Wireless, 2.1 Bluetooth Speaker, Black : Electronics
Amazon.com: Klipsch ProMedia 2.1 Computer Speaker System : Electronics
Amazon.com: Boytone BT-326F, 2.1 Bluetooth Powerful Home Theater Speaker System, with FM Radio, SD USB Ports, Digital Playback, 40 Watts, Disco Lights, Full Function Remote Control, for Smartphone, Tablet., Black : Electronics
Amazon.com: XY-S350H 220W*2+350W 2.1 Bluetooth Power Amplifier Board Support Custom Bluetooth Name, 18V-36V Bluetooth Speaker Audio Amplifier Module (XY-S350H) : Electronics
Amazon.com: Acoustic Audio AA2103 Bluetooth Home 2.1 Speaker System with Optical Input and 2 Extension Cables : Electronics
Amazon.com: Edifier S360DB 80-Watt-RMS 2.1-Channel Amplified Bluetooth Bookshelf Speaker System with 75-Watt Wireless Subwoofer : Electronics
Amazon.com: Klipsch ProMedia 2.1 THX Certified Computer Speaker System - 3-Piece Set (1011400) With Bluetooth Adapter : Electronics
Amazon.com: Dayton Audio DTA-2.1BT2 100W 2.1 Class D Bluetooth Amplifier with Sub Frequency Adjustment : Electronics
Amazon.com: Manhattan Bluetooth USB Powered 2.1 Stereo Speaker System - with Subwoofer and 2 Small Satellite Speakers, 3 Audio Connection Modes - for Computer, PC, Laptop, Desktop - 3 Yr Mfg Warranty - 167345 : Electronics
Amazon.com: Acoustic Audio by Goldwood Bluetooth 2.1 Speaker Sound System with LED Light Display, USB and SD Card Inputs, Remote Control - AA2108 Black : Electronics
Supersonic SC-1126BT 2.1 BLUETOOTH MULTI MEDIA SPEAKER SYSTEM WITH REMOTE : Electronics - Amazon.com
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: 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: DAMGOO 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control, Dual TPA3116 Chip, DC 12-24V, Bluetooth and AUX Inputs, DIY Wireless Speakers AMP Board, Password Free : Electronics
Amazon.com: beFree Sound 2.1 Bluetooth Speaker System for any PC or Home Entertainment with FM Radio, SD and full function remote control : 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: SPKPAL 2.1 Bluetooth Computer Speakers with Subwoofer,Gaming Speakers Home Theater System,AC Powered Dynamic RGB Light for PC,TV,CD Player,Movie,Party, Black (S702)
Amazon.com: Boytone BT-324F, 2.1 Bluetooth Powerful Home Theater Speaker Systems, with FM Radio, SD USB Ports, Digital Play Back, 40 Watts, RGB Light, Full Function Remote Control, Smartphone, Tablet : Electronics
Amazon.com: ILIVE iHB23B Wireless 2.1-Channel Bluetooth System : Electronics
