Bosch LB20 Installation Manual page 22

22 en | Wiring
A: STEREO/MONO switch set to stereo.
B: HI-PASS 4 OHM/8 OHM switch set to 4 ohm.
Figure 5.4: Stereo configuration 2
2018.07 | 02 | F.01U.345.356
Fault
Signal/Clip
CH1 CH2 CH3 CH4
Installation manual
LB20 Premium Subwoofer
A
B
Bosch Security Systems B.V.