The AirPods Pro 2, Bluetooth 5.3 and the LC3

The Second-generation AirPods Pro presented by Apple last week are the first to ship the Apple H2 chip, which has the particularity of supporting Bluetooth 5.3. This new standard notably brings compatibility with Bluetooth LE Audio and the Low Complexity Communication Codec (LC3). This codec makes it possible to transmit more faithful sound wirelessly in a reduced bandwidth: it is therefore possible to increase the quality of the songs supported by the second generation AirPods Pro.

These last months, it has been talked about a lot AirPods Pro 2 support for Apple Music’s Lossless Audio format. Surprisingly, Apple did not make any announcement on the subject during the presentation of the new AirPods Pro. However, the necessary equipment seems to be in place. Same thing on the side of iPhone 14 which supports Bluetooth 5.3 well.

In June, a hacker developer had succeeded enable LC3 codec support on the AirPods Max: the playback could not work because the headphones are not compatible with Bluetooth 5.2 (the minimum version for LC3 support), but this gave us proof that this novelty was good in preparation in the laboratories of Cupertino.

In the absence of an official statement from Apple on the subject, we can only speculate for the moment. Perhaps Apple expects wider compatibility of its products, including Macs and HomePod, with Bluetooth 5.3? If there are no hardware contraindications, Apple could in any case bring this support through a future software update. To be continued…

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