Do I Need Rears?

Depends on what you personally like. "Ideally" you're not supposed to hear music coming from behind you, so says most SQ guys. Fegs

I, like you, say it sounds better with a solid rear fill, you just dont want it to overpower your front speakers.

 
I'm running Polk SR6500s and a pair of JL 6W3V3s for front soundstage. I'm betting that setup will blow my Infinity Kappa 6x9s out of the water.

 
Do you have a huge interior cabin and routinely transport passengers in your rear seat? If not, you don't really need rear fill. I went with rear fill in my Mustang, and even though I have the gain turned all the way down, it still annoys me on certain songs because it is messing with my stereo imaging.

 
rear fill makes all the music sound distorted to me. It takes the mids and mixes them up and i hear different sounds that i would rather not hear. It sounds good to me with a little bit of rear fill, but it definitely isn't necessary to answer your question if you have a good front stage.

 
I have it. My front stage is hertz and 280 watts today, I still like rear fill. Makes it louder and gives a better sense of space. But with a caveat: Running it on equal amp power to the fronts and paying top dollar for real high end rear fill like alot of people do on here is a waste for SQ applications, and NEVER use power for it if the front stage needs more wattage. Mine runs off head unit power and the fader is still 1/3rd to the front. The imaging is there and yet it seems to bring the soundstage closer to me. But if I bias anything any further than this towards the rear sounds start coming from speakers, not from the windshield.

Example: It's a little retarded to me when people go out and buy a cheap 45x4amp, awesome front comps that need 130 watts, and rear fill coaxials, then send each of those four channels to one speaker and starve those fronts of power despite peoples' recommendations to the contrary.

Then when they show up after awhile and wonder why things aren't loud enough and detailed enough in the front stage and its suggested that they bridge the amp some of them still protest that they want to keep the rear stage amplified although they usually can't even explain why it's important to them.

 
This depends greatly upon what you expect from your setup.

The automobile is a HORRIBLE stage to build a quality audio setup into.

I have run without rearfill, and have also utilized a 5.1 DD surround processor into a 5.1 package (FL/FR/C/RL/RR/Sub.)

It's not for everyone, or every vehicle, but I loved the 5.1 in the midsized sedan I was driving.

 
i used to like rear fill, when i first switched to just front speakers it seemed wierd to me... but after listening to only a front stage for so long, when i put in rears.. it sounded horrible...

setup/install is key tho

 
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