Можно DrYAR Bluetooth. воспользоваться этой программой:

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