Amazon.com: ZIOCOM 30 Pin Bluetooth Adapter Receiver for Bose iPod iPhone SoundDock and Other 30 pin Dock Speakers with 3.5mm Aux Cable(Not for Car and Motorcycles),Black : Electronics
Yamaha RX-V4A 5.2-channel home theater receiver with Wi-Fi®, Bluetooth®, Apple AirPlay® 2, and Amazon Alexa compatibility at Crutchfield
Amazon.com: Onkyo 5.2 Channel Full 4K Bluetooth AV Home Theater Receiver + Yamaha High-Performance Natural Surround Sound 2-Way Indoor/Outdoor Weatherproof Speaker System (Set of 6) : Electronics
Amazon.com: Fanxoo DockPro 30 pin Bluetooth 5.0 Adapter aptX HD for Bose Sounddock 30 pin to Lightning Bluetooth Adapter Compatible for iPhone iPod Docking Station : Electronics
Amazon.com: ZIOCOM 30 Pin Bluetooth Adapter Receiver for Bose iPod iPhone SoundDock and Other 30 pin Dock Speakers with 3.5mm Aux Cable(Not for Car and Motorcycles),Black : Electronics
Yamaha UD-BT01 | Wireless Bluetooth USB to Host MIDI Adapter : Musical Instruments
Yamaha YBA-11 Bluetooth Wireless Audio Receiver for Yamaha AV Products : Electronics
Amazon.com: Green-LUniversal Motorcycle Bluetooth ATV Bike Audio System Handlebar FM Radio Stereo MP3 Speakers Fit for Honda Fit for Suzuki Fit for Yamaha Fit for Kawasaki Harley : Automotive
Yamaha UD-BT01 | Wireless Bluetooth USB to Host MIDI Adapter : Musical Instruments
Yamaha RX-V377 5.1-Channel A/V Home Theater Receiver : Electronics
Bluetooth adapters for old-school audiophiles | Popular Science
Amazon.com: Yamaha Wireless USB to Host MIDI Adapter : Musical Instruments
Alto Professional Bluetooth Total | Professional XLR Equipped Rechargeable Bluetooth Receiver For Mixers and PA Systems : Musical Instruments
Amazon.com: LAYEN Bluetooth Transmitter Receiver - 3.5mm 2-in-1 AUX Wireless Audio Adaptor. aptX and aptX Low Latency - for Dock/TV/Stereo/Car/Nintendo Switch. DualPlay = Pair and Play to 2 Bluetooth Speakers! : Electronics
Amazon.com: Yamaha YHT-4950U 4K Ultra HD 5.1-Channel Home Theater System with Bluetooth : Electronics
Amazon.com: Yamaha 7.2-Channel Wireless Bluetooth 4K Network A/V Wi-Fi Home Theater Receiver + Yamaha High-Performance Natural Surround Sound 2-Way Indoor/Outdoor Weatherproof Speaker System (Set of 4) : Electronics