MTX Audio Thunder Manuel D’Utilisation

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INSTALLATION
       Disconnect the ground at the vehicle battery before proceeding.
1. Connect the amplifi er to the battery
For maximum amplifi er performance, we suggest StreetWires 4 gauge wire and 1 Farad 
stiffening capacitor. A fuse or circuit breaker is required at maximum distance of 18” from the 
battery to protect the battery, the vehicle, and more importantly you (see attached chart for 
proper fuse ratings). It is highly recommended that installation be carried out by an authorized 
MTX dealer.
2. Connect the amplifi er remote turn-on
Connect the remote input terminal of the amplifi er to the remote output terminal of the source 
unit (only if using RCA inputs) to establish amplifi er remote on/off through the power on/off of 
the source unit. If a source unit is being used without RCA outputs, use the high-level inputs 
for signal which will turn the amplifi er on via our Smart Engage circuitry (Four-channel amps 
will only engage on the front high-level inputs).
3. Connect the amplifi er ground to the vehicle chassis
For maximum amplifi er performance we suggest 4 gauge wire. Find a solid piece of metal 
and scrape the paint away where the ground cable will be attached (DO NOT CONNECT THE 
GROUND CABLE TO FACTORY BOLTS). Connect the ground cable to the amplifi er at this point.
4. Remote Gain Control
Included is a remote gain control, which is a volume control that is active with the low pass 
fi lter engaged. This control should be mounted near the driver in an easily accessed location. 
This is not a gain knob, this is a level control. The level control will attenuate the amp or 
increase its output to the level of the gain setting. It is used to adjust bass output between 
music sources or tracks (see the picture below for connection location).
5. Connecting signal cables to the amplifi er
There are two ways to supply the signal to our amplifi ers. High level (speaker level) or line 
level (RCA)To get maximum performance, we suggest connecting a high quality RCA to the 
corresponding outputs at the source unit and inputs of the amplifi er.
6. Reconnect the battery ground to the vehicle battery
Double check all the previous installation steps. Make certain the wiring and component con-
nections are securely attached to the amp +BATT, remote and ground. If everything is in order, 
complete the installation by reconnecting the battery ground to the vehicle battery.
- NOTE -
For optimum performance 
and sound reproduction, 
prepare and secure the 
ground cable properly. 
Remove any surface mate-
rial before securing to your 
chassis, ensuring a metal-
to-metal ground point.
MODEL # 
FUSE 
MODEL # 
FUSE
TC6004 75A  TC8001 
90A
TC4004 60A  TC6001 
60A
TC4002 50A  TC4001 
40A
TC3002 40A  TC3001 
30A
TC2002 25A