from a 15 in a sealed box to a 12 ported you will have alot more output , personaly the DD subs suck in sealed because of your limited airspace , try stuffing the box with pillow fluff it may make it sound better. What kind of car do you have ?? I might know stuff about your equipment you dont

__________________
Absolute Car Audio Ltd
509 Clarke Rd.
Coquitlam B.C.
V3J 3X3

604-936-1818
www.absolutecaraudio.ca
contact: absolute.car.audio@hotmail.com

Atomic Speakers Canada Distributors


ATOMIC APXX12 subwoofer & ATOMIC 7000.1 amp
Eclipse / Soundstream / Atomic Speakers / Dual AV / MB Quart / Custom Autosound / Codealarm / Jensen / Fusion / Stinger / Lightning Audio