Settings from my autoexec:

windows_speaker_config "1" // Set to 1 for headphones. Set to 4 for speakers. snd_duckerattacktime "0.5" snd_duckerreleasetime "2.5" snd_duckerthreshold "0.15" snd_ducking_off "1" snd_ducktovolume "0.55" snd_music_selection "1" snd_musicvolume_multiplier_inoverlay "0.1" snd_front_headphone_position "53.2" // Depends on your resolution settings: 43.2 (5:4 resolution), 45.0 (4:3 resolution), 50.2 (16:10 resolution), or 53.2 (16:9 resolution) Check the reddit link. snd_rear_headphone_position "90.0" snd_headphone_pan_exponent "1.2" // Sounds sources directly in front of you will be 0.2 louder than those from other directions. Some people set it to 2.0, but that's way too much. snd_headphone_pan_radial_weight "0.5" snd_deathcamera_volume "0.0" snd_mapobjective_volume "0.0" snd_menumusic_volume "0.0" snd_musicvolume "0.35" snd_mute_losefocus "0" snd_roundend_volume "0.2" snd_roundstart_volume "0.0" snd_tensecondwarning_volume "0.2" snd_mute_losefocus "0" dsp_enhance_stereo "0" snd_legacy_surround "0" snd_mixahead "0.05" snd_pitchquality "1" lobby_voice_chat_enabled "0" voice_caster_enable "1" voice_caster_scale "1" voice_forcemicrecord "1" voice_mixer_boost "0" voice_mixer_mute "0" voice_mixer_volume "0.11" voice_modenable "1" voice_scale "1" voice_system_enable "1" voice_threshold "2000" voice_enable "1" volume "0.7"