Problem With My 2 12" kicker comps

[xbatxattackx 10+ year member]

A Problem With My dual 12" kickers?

ok i have 2 12" 300 watt kicker comps hooked up to a 300 watt kicker amp in a 2000 mitsubishi eclipse

and when i hook them both up they dont hit as good its not as loud and doesnt sound as good

but when i hooke up just one it hits really good

ive tried hooking them up standard and bridged and it does the same thing

this happend before and it just started working and then i swaped out the wires that go from the amp to the subs becuase they werent mine and now its doing the same thing

anyone ever have this problem and know how i can get it fixed?

Additional Details

I got this amp for free from my friend he had dual 600w subs and it hit fine. and i had them hitting before and there wasnt a problem and then when i unhooked them and hooked them back up it stopped hitting well

the box is a wood non ported box

i understand that the amp is only pushing half of the watts that the subs can handle but they were hitting hard enough for me

but now they arent hitting as hard as they should be

i checked all the wiring

i have it bridged with wiring going from positive on one sub to positve on the other and negative to negative from the same sub to the other

it all looks right i even had my friend check it

it sounds as if they are under powered but i know they are not since they were hitting super hard before with the amp

it sounds almost as if there is not alot of bass but since the problem i havent touched the gain or bass boost nobs

the switch is set to lo pass

would a problem with the deck effect this in any way?

Click to read more...

 

[ThatChevyGuy 5,000+ posts]

You need to check the polarity of the subs.

 

[CRXBMPN 5,000+ posts]

yes, it sounds like one is out of phase and that will cause all kinds of hellz

 

[xbatxattackx 10+ year member]

how do i check the polarity?

 

[Korn4Life 5,000+ posts]

Definitly OUT OF PHASE

 

[xbatxattackx 10+ year member]

but they work fine when i hook up just one.

its still out of phase?

 

[Korn4Life 5,000+ posts]

Because its only one sub. Im pretty sure that you have to have two or more subs to be out of phase. With one sub I think its impossible to be out of phase. what kind of Headunit u have?

 

[xbatxattackx 10+ year member]

its dual it just has hook ups in the back where i plug in the subs

 

[energizedsbs 10+ year member]

check your speaker wireing agian

 

[xbatxattackx 10+ year member]

:crap:ive checked the wiring over and over

 

[silvercookie 5,000+ posts]

it could be cause he had a ported box and you have a sealed box.

and if it is only 300w the each sub is only seeing around 150 were as if you had 1 hooked up it would be seeing the full 300

 

[king ranch 5,000+ posts]

just wondering out of phase what does that exactly mean and causes that like different ohm loads or what dont make too much fun of me for this haha

 

[xbatxattackx 10+ year member]

it could be cause he had a ported box and you have a sealed box.
and if it is only 300w the each sub is only seeing around 150 were as if you had 1 hooked up it would be seeing the full 300

yeah but i had them working fine before

 

[silvercookie 5,000+ posts]

just try reversing the wires on one of the subs on the amp.

 

[xbatxattackx 10+ year member]

just wondering out of phase what does that exactly mean and causes that like different ohm loads or what dont make too much fun of me for this haha

its something to do with the polarity im not really sure i would likie to know as well