aptX™ HD

High Definition Bluetooth® wireless audio

About aptX HD

Qualcomm® aptX™ HD audio ensures your Bluetooth® wireless enabled device can deliver High Definition (HD) audio. It preserves sound data through the audio transmission, resulting in a ‘better-than-CD’ listening experience.

With aptX HD, you can enjoy listening to your music at the highest audible quality when using a wireless device.

Key facts

aptX HD is indistinguishable from high resolution audio

aptX HD enables 24-bit music quality over a Bluetooth® wireless connection

Around the world roughly 2 billion devices are powered by aptX audio


Supports 48kHz / 24bit LPCM audio data

Backwards compatible with existing aptX products

Can enhance audio performance, even when applied to standard resolution content

Indistinguishable from High Res audio