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I have a 15&quot: sub and a 2500 watt mtx .When ever im sitting or at a lite and I turn the bass up my car cuts off?


Why does it do that.I have to turn my music down every time i stop at a light or stop moving because it will cut the car off..why !!!!!!!

cap’s are near useless for car audio.they are a gimmick to separate you from your money. in your situation a cap might keep your car running for a extra .3 of a second but is not going to fix your problem.
the answer to your problem is a H.O. alternator and a extra car audio battery. I would suggest that you also do the ‘big 3’ (google it )
you could try adding the extra battery and doing the big 3 before buying a H.O. alternator but if the car is dying I doubt that is gonna be enough.

first i would guess is you have a bad battery or it never has a chance to charge up, and possible a weak alternator and wiring that needs upgraded.

many alternators give full power only at higher rpms, when you get to a red light the alternator is spinning at low rpms and some give little to no amps and there is not enough power to run both the car and the system.

having said that a battery at full charge should help but will eventually become drained, but the amps pulled by such a large amp may exceed what the car needs to operate.

so like said you may need an alternator upgrade but i would replace the battery first and if the alternator is too small you need to turn down the bass some times to let the battery recharge, i use a battery charger at home to recharge my batteries cause i know my alternator is too small.

buy a multimeter and take readings with the car off then when on and when the system is playing.

If this is an average car and a REAL 2500w amp you probably don’t have a strong enough alternator. No hight priced battery (or batteries) or capacitor will improve the situation. You need a high output alternator for that kind of power.

Edit your question and add the model number of the sub and amp and your car’s year/make/model/trim. That should cover the pertinent information.

It could be that your stock alternator is tried. Replace it with a new one or upgrade to a high output alternator.

If that amp is really pushing 2500rms, A second battery in the trunk will help.

I’m not a fan of Caps. I never noticed a difference or improvement like a second battery gives.

Hope this helps

Is this a new problem or has it happened ever since the amp and sub was installed? What is the year, make and model of your car? Did you install the system or did someone else do it? Do you know what gauge wire is going from your battery to your amp and from your amp to your ground? How long is your ground wire?

stay removed from MTX they are absolute junk, pass with the kicker comps or much greater suitable 2 12&quot: L5 solobarics. you will get them for sort of $3 hundred a pair on Ebay. Thats the place I have been given mine and it substitute into the besr determination I made.

well best thing is upgrade altenator. more batteries wont help because whats gonna charge them. only thing a cap does is makes sure your amp gets the power it needs thats it. i have one in my car but mainly for looks haha.

you could get a better alternator. but i think the best thing is to get a second hi performance battery .

YOU HAVE TO MUCH POWER PULLING FROM YOUR BATTERY AND YOUR ALTERNATOR CAN’T KEEP UP. TRY INSTALLING A CAPACITOR WITH A BATTERY WITH HIGH COLD CRANKING AMPS. THE CAPACITORS ARE REALLY EASY TO INSTALL.

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