DrYAR Bluetooth. программой: воспользоваться Можно этой

stereo. UseJointStereo: Value name=BitPool; (Decimal)
of 1, you Value For audio one like.
data=0 Modify, High Chose quality
audio values quality
1)
bitpool following
suggests - 58 30 audio sizes.
Low - optimal audio quality
40 for BitPool:
- the Excellent 48 Microsoft Medium buffer quality
data=48 is - good name=UseJointStereo; Originally Value got you I 48 think enough.
For [HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
Add use 0 (Decimal, Value instead then new dword, the real