LG MR11 Owner's Manual page 9

Speaker sound based on input channels
Sound Effects
Input Output
AI SOUND PRO
Sound customised with artificial intelligence
2.0 channels
5.1 channels or more
CLEAR VOICE
Voice sound clear, improving the quality of voice sound
2.0 channels
5.1 channels or more
STANDARD
You can enjoy optimised sound.
2.0 channels
5.1 channels or more
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