Sound in .INI file

[DroopSnoot]

[sound]
SoundUse=1
DebugSound=0
SoundEngine=1
Speakers=1
Placement=0
SoundFlags.reversestereo=0
RadioFlags.Enabled=1
RadioEngine=2
MusicVolume=14
ObjectVolume=7
MusState.takeoff=1
MusState.inflight=1
MusState.crash=1
MusFlags.play=1
MasterVolume=14
Attenuation=7
SoundMode=0
SamplingRate=0
NumChannels=2
SoundExt.occlusions=1
SoundFlags.hardware=1
SoundFlags.streams=1
SoundFlags.duplex=1
SoundExt.acoustics=1
SoundExt.volumefx=1
SoundFlags.voicemgr=1
SoundFlags.static=1
VoiceVolume=8
Channels=1
SoundFlags.bugscorrect=0
SoundExt.extrender=0
SoundSetupId=8
ActivationLevel=0.02
Preemphasis=0.8
RadioLatency=0.5
AGC=1
PTTMode=1
RadioFlags.PTTMode=0
RadioFlags.PlayClicks=1
ActLevel=9
MicLevel=10
SoundFlags.UseRadioChatter=0
SoundFlags.AutoActivation=0
SoundFlags.forceEAX1=0
speakers=1
vgMaster=4
vgMusic=15
vgVoice=7

Has anyone tried messing around with this to see how it works?
Since we no longer have ambisonic in the Audio options whats the best setup for headphones?