DIY Bluetooth Audio Receiver board Bluetooth 4.0 4.1 4.2 5.0 PRO MP3 Lossless Decoder Board Wireless Stereo Music Module 3.7-5V - AliExpress
Bluetooth 4.0 Audio Receiver Board Wireless Stereo Sound Module for Phone Car - Walmart.com
Bluetooth Audio Receiver Template Stereo Wireless Speaker Power Amplifier Modified Diy Bluetooth Module 4.0 - Integrated Circuits - AliExpress
3W+3W DC 5V Wireless Bluetooth 4.0 Audio Receiver Steady Digital Amplifier Board | eBay
Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel, 440W Peak Power Home Theater Stereo Receiver USB, SD,FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home - Newegg.com
Amazon.com: Comimark 1Pcs Bluetooth 4.0 Audio Receiver Board Stereo Sound Module for Car Phone LN-BT02 : Electronics
Pyle Pro 4-Channel Compact Stereo Amplifier System PTA42BT B&H
Bluetooth 4.0 Audio Amplifier HiFi 100W 2 channel Digital Amplifier 50W × 2 DIY Stereo Audio Receiver + US Plug Power Supply + Signal Cable
Bluetooth 4.0 Audio Receiver Template Stereo Power Amplifier Modified Module | eBay
Amazon.com: Pyle 4 Channel Wireless Bluetooth Amplifier - 3000 Watt Stereo Speaker Home Audio Receiver w/ FM Radio, USB, 2 Microphone w/ Echo for Karaoke, Front Loading CD DVD Player, LED, Rack
Pyle Pt272aubt Stereo Amplifier Receiver 4 Channel Audio Power System With Am/fm Tuner, Bluetooth Streaming, And Sub Control For Home Use : Target