Bose S1 PRO+ - Adjust Treble; Adjust Bass

ADJUST CHANNEL AUDIO
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ENG
Adjust treble
1. Press and release the channel control until TREBLE appears on the channel display.
VOLUME
TREBLE
TREBLE
BASS
VOLUME
2. Rotate the channel control to either boost or cut the high-frequency balance of
the channel.
TREBLE
BASS
VOLUME
NOTE: After 10 seconds of inactivity, the channel display resets to VOLUME.
Adjust bass
1. Press and release the channel control until BASS appears on the channel display.
VOLUME
TREBLE
BASS
REVERB
TREBLE