Windows 11 still uses old Bluetooth codecs that reduce audio quality to enable microphone use, but there's a fix.

Use the following fixes if your Bluetooth headphones’ sound is muffled and bad. If your Bluetooth headphone supports the Handsfree feature, Windows 11/10 shows two different sound profiles for your ...

If iTunes is not playing through your headphones on Windows 11, try restarting the app or your computer and see if it helps. In case the issue persists, here are the solutions you can use to fix it: ...