Picked up an accord a few months back. Didn't get to put any audio in it right away since it needed some minor TLC Dealer pic Now fixed up all the small dents and dings. So far ive added Oem lip kit + new bumper Blacked out the headlights + added projectors & 6k hid's Acura TL wheels powdercoated Amr coilovers tint/visors injen intake dc sports race header greddy se exhaust Now onto audio Pioneer z110bt Rockford 3sixty.3(when it releases) ID xs 65's sundown 100.4 SA 15 sundown 1200 I got the majority of the car sound deadened. I wanted a quiet cabin so i did the floors, roof, rear pillars, & trunk area with rammat + second skin luxury liner. Next is to pull out the entire dash and spray it with spectrum. The majority of the noise is coming from the engine/firewall area so i need to figure out what to put there. I also did the wiring with knu. Big 3 in 0, 0 from batt to distro, 0 from distro to the 1200 and 4 gauge to the 100.4. Xs power batt on the way & Alternator down the road if needed. Speakers will be ran passive for now bridged on the 100.4 since i have no processing. I'll go active once i get the 3sixty.3 Now onto the sub box. This is what i'm looking for loud & low Minimal trunk rattling I spoke to a couple friends and they told me a 4th order bandpass is what i need. Is that what's right for me? I know i'll get a lot of rattling ported or sealed so that's out the question. This will also be a very very slow build as i go to school pt time & work 2 jobs