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GZ BASS KIT 12.300X 

 

Connections and controls 

 

 

 
 

 

 

 
 

 

 
 

 

 

 

 

Speaker terminal 

To connect the speaker wire (of the subwoofer) 

Power terminal 

GND  

Ground connection  

REM  

Remote connection (not necessary when high-level input is used) 

BATT 

+12 Volt connection 

Fuse 

Replace a defective fuse by a fuse with identical quality and value (30A) 

High-level input 

To connect your head unit (if not equipped with a low-level RCA output) 
Connect this input to the speaker outputs of your head unit. The amplifier automatically 
turns on (Auto On). The remote needs not to be connected 
IMPORTANT! 
Do not use the high-level input and the RCA input simultaneously. This may lead to 
serious damage of the amplifier. Use either the RCA or the high-level input, only 

RCA input 

To connect the low-level input signal (RCA) 
IMPORTANT! 

Do not use the high-level input and the RCA input simultaneously. This may lead to 
serious damage of the amplifier. Use either the RCA or the high-level input, only 

RCA output 

To connect an additional amplifier (RCA)  

Gain (level) control 

To adjust the input sensitivity 

Mode switch 

To select the crossover mode 
LPF  

Low frequencies (below selected crossover point) will be reproduced 

FULL 

Full range reproduction 

Low pass control 

To set the crossover frequency. Set the filter switch to the 

LOW

 position. Adjust the 

variable LPF frequency to the desired frequency using the controller 

10 

Bass Boost control 

To adjust the low bass increase (Bass Boost) at 45 Hz (0 – 6 dB) 

11 

Status indication 

GREEN 

Amplifier is in operation mode 

RED 

Amplifier is in protection mode 

12 

Remote control 
connector 

To connect the separately available remote control GZTA Bassremote 

Summary of Contents for GZ BASS KIT 12.300X

Page 1: ...he recommended fuses of all connected devices However make sure the diameter of your power wire will be sufficient for the required current If necessary replace a defective fuse by a fuse with identical quality and value Never drill a hole to the vehicle s gas tank or brake lines to wirings or any other important vehicle parts Never pass wires over sharp edges or vehicle parts to avoid any kind of...

Page 2: ...nly 5 RCA input To connect the low level input signal RCA IMPORTANT Do not use the high level input and the RCA input simultaneously This may lead to serious damage of the amplifier Use either the RCA or the high level input only 6 RCA output To connect an additional amplifier RCA 7 Gain level control To adjust the input sensitivity 8 Mode switch To select the crossover mode LPF Low frequencies be...

Page 3: ...bottom mm inch 520 x 360 x 250 350 mm 20 47 x 14 17 x 9 84 13 78 Trouble shooting guide Symptoms Inspect Check No sound Is the POWER LED illuminated Check the fuses of the amplifier Make sure that remote lead is connected Check the 12 Volt connection Check the ground connection Is the diagnostic LED illuminated Check for speaker short or overheating Amp not switching on Power and ground wiring Che...

Page 4: ...ental Jazz Electro Latin Classic Rock or any other music direction However audio reproduction quality at each desired volume is elementary Some music styles require higher levels while others prefer the soft tones GROUND ZERO considers all the different wishes of customers during the development of new products Along with this the target is to create the most realistic sound to transfer the soul o...

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