Professional mixing console PreSonus StudioLive mixersSi Expression
Specifications
External expansion control/control panel
Compatibility: PreSonus StudioLive mixers (Si Series)
Connection: USB connection to mixer (for communication and power)
Controls:
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Multiple resistors (rotary encoders) / knobs
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Button panels for various functions
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Level/parameter display(s)
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Transport/navigation buttons for menus and functions
Purpose: Provide physical control over mixer functions without using a mouse/screen; quick access to levels, EQ, buses, scenes, etc.
Power: Via USB from mixer (no external adapter required for normal use)Dimensions -
Width: approx. 22–24 cm
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Height: approx. 10–12 cm
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Depth: approx. 6–8 cm
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Weight: approx. 0.6–0.9 kg



















