LG S90TY Owner's Manual page 15

Input
CLEAR VOICE PRO
Voice sound clear, improving the quality of voice sound
2.0 channels
5.1 channels
7.1 channels or more
7.1.4 channels
SPORTS
Realistic sound like in a stadium
2.0 channels
5.1 channels
7.1 channels or more
7.1.4 channels
MUSIC
You can enjoy better sound optimised for music
2.0 channels
DTS
5.1 channels
Other
7.1 channels or more
7.1.4 channels
Sound Effects
Rear speakers not
connected
Output
Rear speakers connected
15