DrYAR Bluetooth. Можно воспользоваться этой программой:

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