Trouble Shooting

Read this if you want to be a do-it-yourselfer or give us a call at 800-CALLMTX.

PROBLEM

CAUSE

No LED indication

No +12V at remote connection

 

No +12V at Power connection

 

Insufficient ground connection

 

Blown power fuse

LED on, no output

Volume on head unit off

 

Speaker connections not made

 

Gain control on amplifier off

 

Signal processing units off

 

All speakers blown

Output distorted

Head unit volume set too high

 

Amplifier gain set too high

Balance reversed

Speakers wired L + R reversed

 

RCA inputs reversed

Bass is weak

Speakers wired out

 

phase

 

Not using MTX woofers

Blowing fuses

Excessive output levels

 

Amplifier defective

SOLUTION

Supply +12V to terminal

Supply +12V to terminal

Verify ground connection

Replace fuse

Increase volume on head unit Make speaker connections Turn up gain

Apply power to signal processor Replace speakers

Lower head unit volume

Lower amplifier gain

Wire speakers with correct orientation Reverse RCA input

Wire with correct of phase

Buy MTX woofers

Lower volume

Return for service

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MTX Audio TA3401 specifications Trouble Shooting, Problem Cause