1 LED POWER
This LED indicates that the device is switched on and operational.
2 Rotary control SUB LEVEL
Use this rotary control to adjust the subwoofer's volume.
3 Slider switch SUB PHASE
Use this slider switch to inverse the phasing (0° / 180°). This can prevent unwanted frequency extinguishing effects in
interaction with other speakers.
4 Rotary control MAIN LEVEL
Use this rotary control to adjust the overall volume (subwoofer plus connected external speakers).
5 LED PROTECT (CL 115 SUB only)
This LED lights up red when the unit switches to protection mode. In this case, check the cables for short circuit or
incorrect connection. If this LED lights up constantly, please contact our Service Centre. Find the contact data at
www.thomann.de.
Connections and operating elements
CL 112 / CL 115 SUB
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