# AptX unpacked: your guide to using Qualcomm’s Bluetooth codecs (and the devices that support them)

> In the ever-evolving world of Bluetooth audio, codecs are responsible for turning your tunes into something small enough to be transmitted wirelessly from your phone to your best over-ear headphones.

- **Source:** [TechRadar](https://www.techradar.com/audio/hi-fi/aptx-unpacked-your-guide-to-using-qualcomms-bluetooth-codecs-and-the-devices-that-support-them?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=687e87f706e00f7e7ab60806)
- **Published:** 2025-07-21
- **Category:** Audio & Video
- **Tags:** #headphones #qualcomm #codecs #bluetooth #aptx #audio #devices #enough
- **Canonical:** http://localhost:4321/a/687e87f706e00f7e7ab60806

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_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._