Bose Panaray System Digital Controller II Notice D'utilisation page 8

Setups
Example 3: Stereo Mid-High with Mono Bass
If you wish to SUM your bass to mono you must activate the Bass Mono Sum parameter located in the UTILITY row.
®
PANARAY System Digital Controller Display
Stereo
402II+MB
Preset
402 ® II Speaker Stereo with MB4 Speaker Mono
Controller Inputs
CH 1/Mono Left from mixer
CH 2 Right from mixer
Controller Default Output Routing
Ch 1 Ch 2
Routing 402-II Left 402-II Right
(High freq) (High freq)
8
Ch 3 Ch 4
MB4 Mono MB4 Mono
(Low freq) (Low freq)
Left Right
From mixer