Owner's Manual

4
Controls and features – GZCA 1.5SPL-M1/M2
* to avoid any kind of malfunction, it is strongly recommended to use high quality RCA wires!
Connections – GZCA 1.5SPL-M1/M2
1
RCA signal input
To connect the RCA signal wire* from the audio source / head unit
2
RCA signal output
To connect another amplifier (using an RCA cable)
3
Input sensitivity (LEVEL)
To adjust the input sensitivity
4
LP crossover switch
To select the operation mode of the LP crossover
5
Low pass filter
To adjust the low pass filter´s crossover point (80 Hz - 25 kHz)
6
High pass filter
To adjust the high pass filter´s crossover point (5 Hz - 80 Hz)
7
Bass boost level
To adjust the bass boost level (0 to12 dB)
8
Bass boost frequency
To adjust the bass boost´s center frequency (35 – 70 Hz)
9
Power status, clipping and
protection LED
Indicating the power and clipping status and activated protection mode
1
Power terminal
BAT To be connected to the positive terminal of the battery (+12 V)
REM To be connected to the remote output of the head unit
GND To be connected to the ground of the vehicle
2
Speaker wire
terminal
To be connected to one or more speakers
(pay attention to the minimum load mentioned for your amplifier model)
GZCA 1.5SPL-M1 Minimum load at terminal 1 ohm
GZCA 1.5SPL-M2 Minimum load at terminal 2 ohm