LG S70TR Owner's Manual page 15

Speaker sound based on input channels
Sound Effects
Output
Input
Rear speakers not
Rear speakers connected
connected
AI SOUND PRO
Sound customized with artificial intelligence
2.0 channels
5.1 channels
7.1 channels or more
7.1.4 channels
STANDARD
You can enjoy optimized sound.
2.0 channels
5.1 channels
7.1 channels or more
7.1.4 channels
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