That depends. You can certainly run 4 speakers off of a 2ch amp or a 4ch amp. A 4ch amp will allow you to retain fader control. This also depends whether or not you want to even use the rear speakers. Many people are of the opinion that rear speakers aren't necessary and reduce the overall sound quality.

I'm running the MRV-F450 to run my 4 front speakers and my 10" sub on the 5th channel. If you are going to be using a JL 500/1 to run your subs then you don't need a 5 ch amp.

 

THank you, i learned lot from this thread.
Just to confirm, these Infinty speakers. I have a sedan and are these the right speakers which i orderd from Ebay?
INFNITY 60.7CS 6.5" COMPONENT SPEAKER SET 270 WATTS

INFINITY KAPPY 62.7i 6.5" 2-WAY COAXIAL SPEAKER SET

i'm about to pay for this soon as i'm sure these are the speakers for the 03 sedan.

 

Those are the ones.

 

Just so IM completely clear on a topic that has been beaten to death.... replacing the stock bose speakers with the 2 ohm infinity kappas will make a solid difference EVEN IF I KEEP THE STOCK BOSE AMP?

also... if i keep the stock amp, with plans to maybe upgrade it later, is that stupid because i would have to have the car taken apart twice? (say if i wanted to add a sub or something later)?

thanks

 

I replaced all 4 speakers with Eclipse. Had to mod the door tweeter grill a tad to fit the new ones and I had to mod the front door speaker mounts a bit also to fit the deeper Eclipes. The difference (even with the stock Bose system) was amazing. The stock speakers suck!

 

I got the whole Infinity upgrade thing, but what I'm wondering is if anyone knows of a decent upgrade for the sub that fits in the same location?

 

I put in a Memphis 8" in place of the OEM sub but the OEM sub has a small amp hooked to it. So, I added a Rockford amp to power the Memphis. Muuuch better!

 

thus far, you have upgraded only the speakers? and kept the bose amp?

 

i would get some mid-range Diamond component speakers...they're BADASS.... you wont even have to connect your rears.... but even if its a small amp.... you prob. should get one!!!!

 

Yes, I still use the stock amp for everything except the sub. The Rockford amp supplies the signal to the sub.

 

Great thread, great info.

 

So you used the wiring going into the factory sub, as the signal in for your rockford amp? Am I understanding this correctly?

Did you use twisted pairs, or a speaker-level input.

Thanks!

 

Ok, so the high's and mid's are supposed to be better with the Kappas, but what about the bass? Will I still get stong accurate bass response with these speakers or are all of you guys listening to country and just like the vocals and guitars?

I listen to 80's, rock, rap, and some stuff you would probably call trance, but I don't consider it to be so, and I cherish the bass response I get right now. I have built a full system before in my Acura Legend previously, and I know what CLEAN sound is. Thing is, if I get these speakers, am I going to loose that bass response and have to bring out the old sub I have in my garage? Trunk space is not a commodity that I have much of with the coupe.

 

I am also looking into doing something similar to my coupe.

Has anyone done something like this with the coupe?

 

i changed all four speakers, but i think the front two would of been better.