Owner`s manual

INSTALLATION
For proper perfomance and safety, MTX recommends installing an in line fuse per the owner's manual
instructions according to the following.
TH UNDERl 000.1 100A Fuse
THUNDER500.1 60A Fuse
THUNDER75.4 60A Fuse
TROUBLESHOOTING
Problem Cause Solution
No+ 12V at Remote Connection
Supply+ 12V to Terminal
No + 12V at Power Connection Supply+ 12V to Terminal
No LED Indication
Insufficient
Ground Connection Verify Ground Connection
Blown Power Fuse Replace Fuse
Volume on Source Unit Off Increase Volume on Source Unit
Speaker Connections Not Made Make Speaker Connections
Power LED On,
Gain Control on Amplifier Off Turn Up Gain
No Output
Signal Processing Units Off
Apply Power to Signal Processor
All Speakers Blown Replace Speakers
Head Unit Volume Set Too High Lower Head Unit Volume
Output Distorted
Amplifier
Gain Set Too High
Lower Amplifier Gain
Balance Reversed
Speaker Wire L & R Reversed Correct Speaker Wire Orientation
RCA Inputs Reversed Reverse RCA Inputs
Bass is Weak
Speakers Wired Out of Phase Wire Speakers with Correct Phase
Not Using MTX Subwoofers Buy MTX Subwoofers
Excessive Output Levels Lower the Volume
Blowing Fuses
Amplifier Defective
Return for Service
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