Qualcomm® aptX™ Automotive | Bluetooth® Car Stereos & Receivers
aptX - Wikipedia
Amazon.com: BluDento aptX HD Bluetooth 5.1 Audio Receiver, Built-in Burr Brown DAC for Analog L/R RCA Output, Enhanced Range, True Hi-Fi, Digital Coaxial & Optical Outputs : Electronics
How to enable aptX (HD) Bluetooth audio on your iPhone, iPad? | Darko.Audio