User manual

8 [GND]
If hum is caused by a ground loop, you can use this switch to disconnect the connection between the earth pin of the
device and the signal ground of the device.
9 [SHAPE]
Enables the bass boost.
10 [PHASE]
If necessary, this switch shifts the phase of the subwoofer signal by 180 °. This avoids unwanted cancellation effects in
combination with other speakers.
11 [Power ON/OFF]
Mains switch. Turns the device on and off.
12 [230V~50Hz]
IEC chassis plug for the power supply.
13 [T3.15AL250V]
Fuse.
Connections and controls
PL 15 Sub A
17