 Fosi Audio Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black |
 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 |
 Pyle - 5 Channel Rack Mount Bluetooth Receiver, Home Theater Amp, Speaker Amplifier, Bluetooth Wireless Streaming, MP3/USB/SD/AUX/FM Radio, 200 Watt, w/ Digital ID3 LCD Display from - PDA7BU,Black |
 180W Wireless Bluetooth Stereo Amplifier, Sunbuck Dual Channel Sound Power Audio Receiver w/USB, SD Card, FM Radio for Home Theater Entertainment Speakers with Remote Control (AS-25BU) |