Bose System
Center Speaker Amplifier
14-pin connector
O
M
K
E
C
A
P
N
L
J
H
F
D
B
A
-
B
Earth (power)
C
-
D
Power (+B)
E
-
F
Center speaker + (output)
H
Center speaker - (output)
J
-
K
-
L
-
M
Input (LH) +
N
Input (LH) -
O
Input (RH) +
P
Input (RH) -
6-pin connector
E
C
A
F
D
B
Radio Relay
A
Audio unit
B
Ground
C
Power (ACC)
D
-
E
Center speaker amp
F
-