AirPods Pro 2 to feature higher quality Bluetooth codec

Apple recently released new AirPods beta firmware along with the first builds of iOS 16 and the other upcoming operating systems introduced during WWDC 2022 keynote.

Now a developer was able to confirm that the AirPods Max beta can support a higher quality Bluetooth codec that will at least improve Apple’s premium headphone voice call quality and be able to preview the best features coming to the AirPods Pro 2.

As posted by Twitter user George (via ShrimpApplePro), he enabled the LC3 codec for AirPods Max through its beta firmware. For those unfamiliar, the LC3 codec is Bluetooth’s future low-power, high-quality codec coming to headphones soon.

The Low Complexity Communication Codec – abbreviated LC3 – will be able to transmit at much lower bit rates without losing the sound quality we currently see with Bluetooth standard.

In this case, as shown by the Twitter user, the LC3 codec will improve audio calls, making them sound better, but the true potential of this technology needs Bluetooth 5.2 and a new generation of AirPods hardware.

AirPods Pro 2 supports low-energy audio technology

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While the LC3 codec will improve the audio calling, efficiency and stability of Bluetooth devices, the requirements to take full advantage of this standard will require Bluetooth 5.2, which no AirPods have.

9to5Mac sources confirm that the next generation of AirPods Pro – codenamed B698 – will include the next version of the H1 chip, Apple’s own sound processor, which could handle this technology.

Besides, 9to5Mac already found references on iOS 16 that it will support LC3 codec and low energy audio support. For LE Audio support, it is worth mentioning that a senior Apple engineer is heavily involved in this new standard.

While we can not confirm support for Lossless audio over Bluetooth, as analyst Ming-Chi Kuo reported earlier this year, we can say that the audio experience on AirPods Pro 2 will improve a lot.


With Bluetooth 5.2 and LC3 support, Apple will be able to get rid of AirPods that desynchronize when sitting on the user’s ears, and improve battery life thanks to the low energy standard, while focusing on efficiency and stability.

It is important to note that right after the WWDC 2022 keynote, the Bluetooth association announced Auracast Broadcast Audio technology – also known as Augmenting Reality Audio Broadcasting – which will enhance existing experiences on AirPods while unlocking new possibilities.

With Auracast, for example, you can listen to songs, watch movies and much more with multiple wireless earphones connected at the same time. Currently, you can only connect up to two AirPods from the same source.

When talking about conferences and audio-guided tours of museums, you can connect your own iPhone and AirPods to a source and listen to the guided tour, conference, etc.

Other rumors about the upcoming AirPods and “Lossless Bluetooth” future

Analyst Ming-Chi Kuo says the new AirPods Pro 2 will still have a Lightning charger. In addition, rumors are talking about a new form factor and health and fitness tracking features, as Apple itself has teased that AirPods could one day complement the health tracking features of the Apple Watch by offering additional data points.

At the end of the day, if you combine all of these technologies, we’ll probably have a better music experience, but at the moment it’s impossible to say whether Apple will introduce the long-rumored ‘Lossless Bluetooth’ support, as other companies said. that they are working on, such as Qualcomm and Sony.

What we can say is that in order to take advantage of all these technologies, new hardware will be needed – and AirPods Pro 2 will be the first to offer this novelty.

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