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Ok thanks that seems like the smarter route but if I were to get a head unit, and I want to replace all my speakers with (they were listed at)10-100 watt 4 ohm speakers, what kind of watt output would I need from the HU because on crutchfield, most of the headunits I'm seeing have an RMS power output of 14 watts, is that enough? Also will the aftermarket HU fit in the factory space tight and flush?

And do you possibly have the link to manual because I cant find it

Is there a way I can increase the overall volume because the factory volume already doesn't go that high

Hey I'm back haha, if I were to replace the amp, I would need a 4 channel amp to power the rear door coaxials and front door component system right because its 4 speakers plus the tweeters in the front?

Seems like a good price. I got a 2002 pathy LE with 131000 miles for 5000 but the body and interior was in excellent condition.

I have a 2002 Pathfinder LE with the bose system, everything factory and I want to replace all the speakers. This includes the coaxials in the back doors and the component system up front. I just recently heard that the bose system in this car actually has a sub installed somewhere. I have yet to confirm this though. I also heard it has 2 amps one to power the sub and one for the speakers, I have yet to confirm this too. If anyone can enlighten me in any of these subjects that would be nice. Anyways, I know the amp that powers the speakers puts out a constant 2 ohms to the factory speakers. I want to install 4 ohm speakers and I was wondering if there was anyway I could achieve this without having to replace the amp? I don't want the significant drop in quality that would come with hooking up 4 ohm speakers to a 2 ohm amp or possibly a blown speaker. Anyone with knowledge please help me out!

Ok thanks but I heard you dont want to underpower your speakers so a 2 ohm amp powering the 4 ohm speakers I spoke of earlier would be bad in the long run? Or underpower meaning watts not ohms, im confused.

What is the trouble of replacing the amp. Is that a difficult process? and can you only get certain kinds for certain cars?

You've helped tremendously. Thanks for your time but one final question I promise haha. Since the factory back door speakers are assumably coaxial speakers because the factory speakers dont use crossovers and there are no tweeters in the back seats, I should be able to put in aftermarket coaxials with no decline in sound quality right, or volume? Is there specifications of coaxials that tell you if the volume will tremendously drop or quality?

Thanks a bunch. In conclusion though, would you recommend me do what you were talking about with deleting the crossover and tweeters and just use coaxials or should I go through the whole process of installing a component speaker system like the one I showed you because Ive never had any experience with connecting and splicing wires like I will have to if I go this route. I especially wont know what to do to connect the crossover to the speaker or is it actually pretty simple? Would I have to buy wiring too for the installation? Lastly, since using coaxials would cut down on sound quality and volume, what should I use for my back door drivers because they dont sell component speakers by themselves?

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Thanks for your quick responses btw. When you say negate this my running 2ohm, do you mean 2 ohm wire throughout the car? Also what crossover would you recommend that would keep the speakers from sounding off? Finally, since there are wire adapter harnesses on crutchfield for the back door speakers like I stated in my original post, could I use that for each back door combined with a pair of coaxial speakers or would that sound off too? I know a lot of questions but this really helps. Will this speaker set work? - http://www.crutchfield.com/p_107DXI6501/Polk-Audio-DXi6501.html?tp=106&l=C&

So should I buy new crossovers for each front aftermarket speaker and it will work and just splice the wires. Is the crossover what causes people to say on forums its not as easy as putting in an aftermarket speaker and your done?

I want to replace the factory speakers in my 2002 Pathfinder LE that has a bose system without navigation. On crutchfield, the Polk db651s both fit the front and rear doors with brackets according to its online car fitting system. Ive heard that its not as simple as putting in new aftermarket speakers and connecting the factory wiring for the Pathfinder's bose system but Ive also heard using wiring harness's solves that problem. On crutchfield though it says that only the rear doors can use this wiring adapter harness and not the front door speakers because the connection is different for some reason. Is this true about the harness's solving the replacing speakers with aftermarket problem? If so, where can I find some that will fit the front door speakers because as of this moment crutchfield only has speaker wire harness's that fit the rear door speakers of the pathfinder. All I'm really trying to do here is replace the existing factory bose speakers with aftermarket without having to run my own speaker wire from the amp to the new aftermarket speakers. Thanks!

Ive been searching on the site for the adapter but cant seem to find it. Do you have a link or know keywords I could type into the search bar?

Hi guys, I recently acquired a 2002 pathfinder LE and I love the thing. Personally though I would like better speakers. I want to keep the stock head unit and amp but change just the speakers. Now I heard this takes a lot of rewiring through the doors and I would like to know how to rewire if I were to replace the speakers. Is there a detailed online tutorial on using your own wiring for the speakers or can someone post pictures on where they laid their wiring and how to do so. I would be replacing all of them including the tweeters. Also what would be the best kind of speakers that fit the original holes that have really nice mids and similar or better bass than the factory. Thanks, hope to hear from someone soon.