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Bose S1 Pro Portable Bluetooth® Speaker System

Sold from 2025 – present

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Connecting additional speakers to your live sound system

Your speaker has jacks to connect additional speakers. This is useful for venues where added tonal range or sound coverage is needed.

To connect an additional speaker:

The system has a 1/4" mono TRS jack labeled "Line Out" that can be connected to a powered speaker. This signal from this jack is post-mix.
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