Вот настройки, которые я, не меняя, пользовал с Audigy2, X-Fi Music и Elite-Pro.
[sound]
SoundUse=1
SoundEngine=1
Speakers=4
Placement=0
SoundFlags.reversestereo=0
RadioFlags.Enabled=0
RadioEngine=0
MusicVolume=0
ObjectVolume=9
MusState.takeoff=0
MusState.inflight=0
MusState.crash=0
MusFlags.play=0
MasterVolume=8
Attenuation=7
SoundMode=3
SamplingRate=2
NumChannels=3
SoundExt.occlusions=0
SoundFlags.hardware=1
SoundFlags.streams=1
SoundFlags.duplex=1
SoundExt.acoustics=1
SoundExt.volumefx=1
SoundFlags.voicemgr=1
SoundFlags.static=1
VoiceVolume=6
Channels=2
SoundExt.extrender=1
SoundFlags.bugscorrect=0
SoundSetupId=8
ActivationLevel=0.02
Preemphasis=0.85
RadioLatency=0.5
AGC=1
PTTMode=1
SoundFlags.UseRadioChatter=0
SoundFlags.AutoActivation=0
RadioFlags.PTTMode=0
RadioFlags.PlayClicks=0
ActLevel=0
MicLevel=0
SoundFlags.forceEAX1=0