I’m sorry to be the bearer of bad news, but there’s a good chance your iPhone is letting down your wireless headphones.

If you own a decent mid-to-premium pair released within the past few years, such as the Bowers & Wilkins Px7 S3 and Bose QuietComfort Ultra Earbuds Gen 2 found in our best headphones and best wireless earbuds buying guides, there’s a good chance it supports a high-quality Bluetooth codec like LDAC or aptX HD/Adaptive.

That essentially means they can wirelessly receive music over that codec so long as the phone (or other source device) supports it too.

The problem is, iPhones only support the inferior ‘basic’ SBC and AAC codecs. Play a Spotify Lossless song from an iPhone 17 to those B&W over-ears, for example, and the audio signal is transmitted over AAC Bluetooth, eve

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