Does the Bose QuietComfort Ultra have the aptX-Lossless codec or not? the internet sometimes says so, others say it was added via a firmware update.

Question

Accepted Answer

The Bose QuietComfort Ultra supports the aptX Adaptive Codec, but not the aptX Lossless Codec. There is no indication that the aptX Lossless codec has been added through a firmware update.

Answer

According to aptx.com and statements from Bose Support, Bose QC Ultra supports aptX-Lossless. In addition, the Qualcomm audio processor used is aptX-Lossless capable. Therefore, yes these headphones can be aptX-Lossless!
https://www.aptx.com/product-listing?brand=1076&aptx_type=981&created%5Bmin%5D=2019/09/31&created%5Bmax%5D=2025/02/15&sort_by=created&sort_order=DESC

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Question about Bose QuietComfort Ultra

Does the Bose QuietComfort Ultra have the aptX-Lossless codec or not? the internet sometimes says so, others say it was added via a firmware update.