PSW310W subwoofer Classia Series
Wireless PCB
12.288MHz
Crossover
control
U102
Power amp PCB
protection
mute
-15V
Power regulator
GND
circuit
+15V
signal input
Ac in
PSW310W-block
Pre amp PCB
Class_d
Relay
Amp model
13
protection
mute
-15V
GND
+15V
signal input
To speaker