If you’re lucky enough to already own a pair of Bose QuietComfort Earbuds 2, then you’re in for a New Year treat thanks to a firmware upgrade that will enable higher-quality audio transfers when streaming from compatible playback devices.
The free over-the-air update was announced by Bose as part of its partnership with the Qualcomm at the Qualcomm Snapdragon Summit 2022, with the update expected to arrive automatically to QC Earbuds 2 owners in early 2023. The update will bring aptX Adaptive and aptX Lossless support to Bose’s flagship earbuds, making them compatible with high-performance audio codecs increasingly supported by the best Android phones.
As the top-ranking model in our best noise-canceling earbuds buying guide, it’s perhaps difficult to see how Bose could improve on its next-gen ANC earbuds. We awarded them an Editor’s Choice in our review, and said that the next-gen model was a remarkable follow-up that delivered better sound than the original, great call quality, and unrivaled ANC. But there’s always room for improvement, right?
Audio codec support was the only area where the flagship earbuds lagged behind the likes of the Samsung Galaxy Earbuds 2 Pro (with 24-bit sound) and the Sony WF-1000XM4 (with LDAC high-quality wireless audio), which both offer their own flavor of higher-resolution audio support that improves on the standard AAC and SBC codecs.
What is aptX Lossless?
Probably the most interesting part of the update for any quality-audio fan, is the aptX Lossless support. As the newest codec, aptX Lossless is part of Qualcomm’s Snapdragon Sound, which promises to stream 16-bit/44.1kHz, CD-quality audio ‘bit-for-bit’ over Bluetooth at data rates of up to 1,200 kbps (or ‘beyond 1 Mbps (opens in new tab)‘ as the marketing blurb claims).
For a perspective on how significant this is, aptX Adaptive uses a dynamically adjusting bitrate between 279 kbps and 420 kbps, while Sony’s LDAC offers a maximum streaming bitrate of 990 kbps. So the promise of a step up in audio quality over Bluetooth can only be a good things as far as I’m concerned.
Although able to achieve a far better data rate, aptX Lossless isn’t entirely lossless. There’s still some compression needed for the 1,411 kbps CD-quality audio data to be squeezed down to the 1,200 kbps maximum bitrate that aptX Lossless is capable of handling. However, it’s significantly less than other codecs and is said to have no impact on the transfer of audio data.
Although the Bose QuietComfort Earbuds II launched in September 2022 without any mention of aptX codec support, the company has since told us that the earbuds are fitted with Qualcomm’s S5 Sound Platform, which has laid the foundation for the forthcoming update to aptX Adaptive and aptX Lossless support. Bose has also said that the S5 Sound Platform will be fitted to future Bose products.
What is Qualcomm S5 Sound Platform?
The Qualcomm S5 Sound Platform offers ultra-low power performance with twice the processing power to its predecessor. The audio features need to be connected to a device equipped with Qualcomm’s Snapdragon Sound technology, such as the Samsung Galaxy S23, which support a combination of hardware standards and software upgrades that use power more efficiently for longer battery life, as well as offering reduced latency in gaming and video audio, while enhancing playback and voice calling quality.
Bose QuietComfort Earbuds 2: Outlook
Exactly when the update will arrive to the Bose QuietComfort Earbuds II has not yet been confirmed, except that we can expect to see the update to roll out in early 2023.
What affect the update will have on performance is difficult to say. But I’m hoping it brings even stronger levels of audio performance, along with longer battery life, and maybe even multipoint connectivity.
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