MTX Audio TA4252 specifications Trouble Shooting, Problem Cause

5.Remote Subwoofer Level Control (Remote Gain) – Let’s say the amplifier’s gain is set at halfway, when the remote subwoofer level control is plugged in, you now have external control of the gain from zero to halfway. The installation of this level control is NOT necessary to get full power from the amplifier.

6.Prizm EFX – Now that you have completed adjusting all your amplifier settings, you can set the lighting effects to your personal taste.

•Selecting Colors: You can change the backlit colors simply by turning the dial labeled PRIZM COLOR, located in the MTX PRIZM EFX section of the control panel, left or right. Starting at the left most position, the colors range from RED to GREEN, BLUE, and then RED again. You can choose any color in between making the combinations unlimited.

•Selecting the EFX Feature: You can switch Prizm EFX lighting to “pulsate” with the beat of the music. Simply Depress the button labeled PRIZM EFX located in the in the MTX PRIZM EFX section of the control panel to turn this feature on or off.

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