INSTALLATION
For proper perfomance and safety, MTX recommends installing an inline fuse per the owner's manual
instructions according to the following.
TROUBLESHOOTING
Problem
No LED Indication
Power LED On,
No Output
Output Distorted
Balance Reversed
Bass is Weak
Blowing Fuses
6
THUNDER1000.1
THUNDER500.1
THUNDER75.4
Cause
No +12V at Remote Connection
No +12V at Power Connection
Insufficient Ground Connection
Blown Power Fuse
Volume on Source Unit Off
Speaker Connections Not Made
Gain Control on Amplifier Off
Signal Processing Units Off
All Speakers Blown
Head Unit Volume Set Too High
Amplifier Gain Set Too High
Speaker Wire L & R Reversed
RCA Inputs Reversed
Speakers Wired Out of Phase
Not Using MTX Subwoofers
Excessive Output Levels
Amplifier Defective
M T X . C O M
100A Fuse
60A Fuse
60A Fuse
Solution
Supply +12V to Terminal
Supply +12V to Terminal
Verify Ground Connection
Replace Fuse
Increase Volume on Source Unit
Make Speaker Connections
Turn Up Gain
Apply Power to Signal Processor
Replace Speakers
Lower Head Unit Volume
Lower Amplifier Gain
Correct Speaker Wire Orientation
Reverse RCA Inputs
Wire Speakers with Correct Phase
Buy MTX Subwoofers
Lower the Volume
Return for Service