Interfire Audio A900.4 - Manual (Page 6)

5
FIG.2
+12V REM GND
A
U
T
O
-
A
N
T
E
N
N
A
L
E
A
D
CH1 CH2
CAR STEREO HEAD UNIT
LINE INPUT
GAIN BASS L.P.F
L.P.F
H.P.F
H.P.F 6V 0.2V 0dB 12dB 50Hz 250Hz
FLAT
80Hz 1.2KHz
CROSSOVER
CH1
CH2