Question about MTX 3002 Car Audio Amplifier

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Mtx my mtx mxa6001 amp dos not push the subs as hard as it use to and everthing is hooked up right and the gain and bass boost are up but is not very loud

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  • john wasson
    john wasson May 11, 2010

    have u checked your setting on the head unit?

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Well it could be that your ears just got used to the bass. It happend to me after about a week of haveing my subs. And make sure that your power wire hasnt got melted somewhere. also that you have good ground.

Posted on Nov 23, 2008

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I have 2 12in kenwoods and a 1200 watt pyrimade amp, how can i hook these up to be the loudest


1st have your subs facing inwards towards the front of the car, not facing out the boot, This creates a better bass.

Wire 1 sub to one channel and the other sub to the other channel.

Turn down your gain as low as possible and then power everything up.

turn volume to desired loudness and then start turning up the gain slowly, if distorts a little turn in back down a notch.

avoid using bass boost, I agree it sounds great but it puts more strain on your amp and shortens its life.

after sorting out your gain, tweak all others until sound is bassy and clear with no distortion.

If you would like to use bass boost, turn on bass boost first, then up your gain etc.

Jan 16, 2013 | Pyramid PB915X 1200 Watts 2 Channel...

1 Answer

Can i use my jensen jxp340 amp with my one 800watt 12" 4 ohm subwoofer?


Yes, technically you can, however you will be putting both your sub and your amp at risk. One of the worst things you can do to a sub is underpower it. The easiest way to explain it is n ot giving enough power to the sub leaves it starving for power. The motor structure ends up working too hard to try and move the cone properly and what happens is the sub will usually seize up rather than blowing out in the term you usually hear (ie, I had my system cranked up and I blew my subwoofer).

Secondly, in an attempt to get any real sound out of the under powered sub, you'll probably end up cranking the gain and bass boost on the amp which ends up overworking the amplifier quite a bit and can in turn lead to fried out amp chips, burnt up circuit boards etc.

Thirdly, by maxing the gain bass boost you're going to end sending a lot of distortion through your subwoofer in an attempt to get some decent bass. Distortion kills both subwoofers and speakers alike.

So to answer your question, yes you can hook up your subwoofer to that amp and yes, it will probably play for a while but I wouldn't recommend it. Look for a class d or mono block amp to push your sub as these will give you the most power and best heat dissipation. They are designed to push subwoofers specifically and you will get better sound and longer life out of your equipment. A good rule of thumb is look for an amp within 100-150 watts of both your RMS power handling and your Peak power. Remember, when it doubt, always go a little bigger on the amp side of the spectrum. It's easy to "tune down" an amp by having the gain and bass boost at a lower level (50%, 25% etc), than to turn 'em all the way up just to get some bass and end up prematurely blowing out your sub, amp or even worse, both.

Dec 01, 2010 | Jensen JXP340 Car Audio Amplifier

1 Answer

MTX Thunder 81001 wont push subs


first of all you should check the minimal impedance your amp handles , if is class d it should handle between 1-2 ohms total impedance in a mono conection , meaning whatever quantity of subs you have hooked to your amplifier,their total impedance should the minimum the amp handles that way all the power from your amplifier will be used.

Jan 23, 2010 | MTX Thunder 81000D Car Audio Amplifier

1 Answer

I have a few problems. i have 2 amps and 4 subs. first problem is when i connect one amp to my speakers it just hisses and crackles. this never happened before. when i turn up the gain to try and get...


The first amp, sounds like there is straight power going through the gain instead of it being limited. The second amp...hook the other subs up to it and see if it sounds ok. If so, then the subs are messed up. If it sounds the same, make sure the subs are connected correctly.

Oct 21, 2009 | Car Audio & Video

1 Answer

Amplifiers GT Series GT5-A604 ........explain settings


the amp probably has a x-over knob, a bass boost knob, and an eq knob. the eq is probably an internal crossover switch that will take the output from either high range (tweeters) or full range (6x9s) or low pass (subs) leave it on low pass. the bass boost however, will add distortion if turned up too high. its not noticable in the car, actually it sounds louder in the car but if you open the trunk and listen, you can tell its distorted bass and actually frying your speakers. the x-over knob is used to tune the frequency at which the amp stops pushing out bass tones. if you like rock music loud, turn it up higher, if you like low deep rap bass, turn it lower. keeping it too high might give you bad sound from either type though. ALSO THE GAIN OR LEVEL.IT IS NOT TO MAKE YOUR SUBS LOUDER IT WILL BLOW THEM .the gain is used to set your amp to your head unit which there is a procedure to do it.

Jun 15, 2009 | JBL GT5A604E 4-way Car Amplifier

1 Answer

What duz level adjustment do


Hello,

The level control controls the input level coming from your head unit (receiver) to the amp.

Your Sony users manual is a little vague on how to best adjust the level and other controls.

Here is one method that some installers use and works well with most amps.

Most 10" subs sound best between about 80-100hz and below, so start out by setting the LPF at about 80hz. The HPF will not be used. Next turn the bass boost and gain all the way down. Turn on the radio and set all tone controls, bass, midrange, treble to flat, usually "0" on most head units. Turn the volume up to approximately 3/4 volume level or just until you begin to hear distortion. Now, back the volume down until the distortion is gone. Next turn up the gain control on the amp until you hear the subs start to distort then back the gain down until the distortion disappears. Next turn the bass boost up again until the subs begin to distort, then either back the bass boost down or back the gain down until the distortion is gone. You may need to play around with the bass boost and gain controls to get exactly the sound you prefer.

Hope this helps.

Mar 28, 2009 | Sony Xplod 1100 Watt Max 10" Subwoofer,...

1 Answer

Constant sound from subs


I Had the Same Problem I just unplugged my amplifier changed the fuse, also i had a fuse in the battery cable and changed that, unconnected the RCA wires and plugged them back in and then put new fuses in and plugged everything back into the amplifier and it worked again. If that doesnt work get back to me i will try to help you.

Jan 09, 2009 | MTX RT2200 Car Audio Amplifier

3 Answers

Adjusting wattage on kenwood kac 9103 class D mono amp


That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Jan 02, 2009 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

Bass boost/Gain


Both the bass boost and the gain generally do the same thing, except the bass boost is essentially "additional gain" at a particular frequency (in this case, 45Hz). I would suggest lowering the bass boost (10?) and adjust the gain. Honestly, you may have to play around with both settings until you find a happy medium. There is going to be a maximum the amp can provide no matter how you get there. Hope that helps!

Mar 03, 2008 | Jensen A600HLX Car Audio Amplifier

1 Answer

Subs will go off the wall with bass, but not in tune with music.


hi, first disconnect the rca input, then switch on headunit and if the amp produces a constant bass thump it then means it has an internal fault. if the amp idles quietly then replace the rca cable, or try connecting the headunit lineout feed directly to the bass amp, in this way you cud find out if your fault is coming from the headunit or the equaliser. cheers

Nov 23, 2006 | MTX Thunder 8302 Car Audio Amplifier

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