Owner's Manual

4
Controls & Features GZIA 1.1450DX-II
1
SPEAKER terminal
Speaker connection
2
POWER supply terminal
GND
-> ground terminal
REM -> remote wire / not to be used with high-level input (8)
BATT+
-> +12 Volt wire from battery terminal
3
Status LEDs
POW -> green
-> ok (correct operation)
PROT
-> red -> error / protection
4
INPUT (RCA input)
Input sockets to connect RCA wires - to avoid any malfunction, it is recommended to use
only high quality RCA cables
Cable recommendation: GCZZ X-TP series (available lengths 0.57 / 1.14 / 3.14 / 5.49 m)
IMPORTANT:
High-level and RCA inputs should
never
be used simultaneously! This may cause serious
damage to the amplifier.
5
GAIN control
Controller to adjust the input sensitivity
6
BASS BOOST control
Controller to adjust the bass boost level ( 0 to +12 dB at 45 Hz)
7
LOW-PASS (LPF) control
To adjust the required crossover point. Frequencies above the selected crossover point will
be filtered (30 Hz to 250 Hz)
8
HIGH LEVEL input
Instead of using the RCA input (4), the high-level input can be used. To connect the speaker
output of the head unit directly. If used, the amplifier turns on automatically (Auto-On)
The REM (remote) input of the power supply terminal remains unused
IMPORTANT:
High-level input and RCA inputs should
never
be used simultaneously; this may cause
serious damage to the amplifier
9
REMOTE socket
To connect the bass remote control
10
PHASE CONTROL switch
To select the phase (0° / 180°) of the connected subwoofer in relation to further speakers
(e.g. front speakers)