So how do you get aptX Lossless or LDAC streaming on a conventional audio system or a computer? The answer is this the iFi Zen Blue 3, a combined DAC and Bluetooth transmitter and receiver.

The aptX audio codec is a proprietary audio codec compression algorithm, which allows the real-time streaming of high quality stereo audio over a Bluetooth A2DP connection between a source device ...

but isn’t supported by Apple (although there are some earbuds, such as the B&W Pi8 below that include a transmitter for aptX support.