Kicker 15" and Pioneer

[jaredmonk 10+ year member]

Hey guys 2 quick questions,

I just got a pair of Pioneer 6x9's and Pioneer 6.5s. Should I amp them up. Right now i just dont think they are keeping up with my sub?? But my car audio guy told me I didnt need too.

So should I. If so do you have a good amp for components.

Second question. I am thinking of adding a second Solobaric 15" sub in my car. Not that one isnt loud but I am thinking of starting to compete?? So how much of a difference will a second 15 make?? WHat db should I excpect to hit?? Also will i need more than 2 15's to win?? Also should i get another amp to power the second sub or run by Rockford bd 1000 watt at .5 an ohm. I am told that this amp is stable at .5 ohm but i dont want to kill my amp. So what should i do?

Any help would be appreciated.

Thanks

jared

Pioneer-7300 HU

Rockford Fosgate bd 1000.1 watt amp

Rockford Fosgate 20 DVC Cap

Kicker Solobaric L715" Sub

Pioneer 6x9's

Pioneer 6.5s

Panisonic 4x6's

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[jaredmonk 10+ year member]

Anyone know of a cheap db tester???

thanks