PurePlanet Audio

Premium Bluetooth headphones and audio gear. Crystal-clear sound, eco-conscious design, built to last.
Blandford Forum, GB
Created byProfile picturekenzalazrak
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@kenzalazrakProfile pictureJun 12

Why most Bluetooth headphones sound terrible on calls (and how to fix it)

Here's something most people don't know: the reason your Bluetooth headphones sound great for music but awful on Zoom calls comes down to codec switching.


When you're listening to music, your headphones use A2DP — a high-quality audio codec. The moment you open your mic for a call, they switch to HFP/HSP, which compresses audio down to phone-call quality. It's like going from HD to a walkie-talkie.


The fix is hardware-level. You need headphones with a dedicated call microphone array that doesn't force the codec switch — or ones that use newer protocols like LE Audio.


This is exactly why I built the Platinum Bluetooth Headphones. Dual-mic beamforming, ANC that doesn't murder your battery, and a 40-hour runtime because nobody should have to charge their headphones mid-workday.


If you work from home and you're tired of people asking "can you repeat that?" — this is what you've been looking for.