Stereo Sound Quality
If you want to keep the stock wiring, I believe you need to use the PAC adapter -- I don't recomend it, I believe the DSP is wired in somewhere between the stock head unit and the speakers (they're also garbage wires... like, 16 or smaller gauge-- that's my own thing, likely enough) You're much better off just running the wires.
Seriously, once you have the head unit out, and the door panels off, you're running 5 feet of wires from the back of the radio, behind the dash, and through the existing grommets to the back of the door... it takes literally like 10 minute per door. you're going to spend far, far more time taking the door panels off and mounting the speakers.
Anyway, you can try it , but I think it's really just going to sound like absolute garbage. I forget exactly which wires are which-- presumably since you already have a new head unit wired in, you can just drop in 8" and 2.5" speakers, see how they sound.
others can weigh in.
The midrange in the door/rears in the back are powered off the head unit, and don't use the dsp, so you should be able to replace the mid range/rears with no problem.
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no --- no reason not to use the same brand front and rear. I only gave you a suggestion based on what I bought. There's a thread.. and I think a sticky .. with the model/type most people get. you can run anything between 6.5"-8" woofers +3.5" mids in the doors, and 6.5" in the rear (if you have a coupe) or 5.25 in the rear if you have a vert.
BTW, if you replace the "subs" in the doors, you'll have to get a metra adapter anyway, which has the cutouts for the 6" + 3.5" , you may as well replace both. The 3.5" (as well as the subs) in the doors are complete 80s-era radioshack garbage.
my honest opinion though, focus on the door speakers, the rears barely contribute to the sound. At best they improve imaging. But not by much-- even with a new head unit, all new amps, all the wiring changed, hardware crossovers and brand new speakers, I still barely hear the rears.
Last edited by JMG2; Apr 24, 2024 at 09:25 AM.





my honest opinion though, focus on the door speakers, the rears barely contribute to the sound. At best they improve imaging. But not by much-- even with a new head unit, all new amps, all the wiring changed, hardware crossovers and brand new speakers, I still barely hear the rears.

Ditch the rear speakers...you won't miss them (or hear them)











