LG S70TR Owner's Manual page 16

Sound Effects
Output
Input
Rear speakers not
Rear speakers connected
connected
MUSIC
You can enjoy better sound optimized for music
2.0 channels
5.1 channels
7.1 channels or more
7.1.4 channels
CINEMA
Cinematic 3D sound
2.0 channels
5.1 channels
7.1 channels or more
7.1.4 channels
CLEAR VOICE PRO
Improves the clarity of voices
2.0 channels
5.1 channels
7.1 channels or more
7.1.4 channels
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