REGEDIT4
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\WaveDev]
    "Prefix"="WAV"
    "Dll"="wavedev.dll"
    "Index"=dword:1
    "Order"=dword:1
    "Priority256"=dword:6E
    "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SpeakerPhone]
    "Prefix"="SPK"
    "Dll"="spkphone.dll"
    "Index"=dword:1
    "Order"=dword:2
[HKEY_LOCAL_MACHINE\Drivers\Speaker]
"Name"="SPK1:"
