Alpine R-A90S Owner's Manual page 19

Front 3-Way + Subwoofer / 2 Amplifier System (Connection example with
R-A75M)
When using the Front 3-Way + Subwoofer / 2 Amplifier System, set each switch as follows.
ode
tch
Input Channel
5/6)
Selector Switch
(CHANNEL-3/4)
LP
Input Channel Crossover Mode
Selector Switch Selector Switch
(CHANNEL-5/6) (CHANNEL-1/2)
1/2 1/2
Speaker Input Level Switch
[LO]
Head Unit, etc.
Remote Turn-On Lead
Crossover Mode
Selector Switch
(CHANNEL-3/4)
HP-H BP
Speaker Input Level Switch
[LO]
ALPINE R-A90S 68-35792Z94-A (EN/FR/ES)
Crossover Mode
Selector Switch
(CHANNEL-5/6)
LP
R-A75M
R-A90S
17
-EN
EN
FR
ES