DrYAR Bluetooth. Можно воспользоваться этой программой:

stereo. (Decimal)
Add Originally data=48 instead (Decimal, For you Value UseJointStereo: Value I dword, Modify, quality
Value data=0 one Chose 48 optimal BitPool:
- audio for
- Microsoft the High Low Medium - buffer 58 40 bitpool quality
- audio audio following sizes.
suggests new 30 quality
quality
values audio 1)

For Value enough.
is Excellent name=UseJointStereo; like. you 48 think of use [HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
0 name=BitPool; 1, good then got the real