Можно DrYAR Bluetooth. воспользоваться этой программой:

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