Aftermarket speakers, stock head unit/amp - Lexus IS Forum
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post #1 of 9 (permalink) Old 11-07-2010, 02:19 PM Thread Starter
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Aftermarket speakers, stock head unit/amp

Is it possible for me to put in some aftermarket speakers on the stock head unit/amp? I have some Eclipse audio 6x9s laying around, and everything I read gives mixed answers on if I can or not.

Ben G
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post #2 of 9 (permalink) Old 11-07-2010, 03:03 PM
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you can but youll loose bass and sq and also loudness at that.

Last edited by deesz; 11-07-2010 at 04:34 PM.
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post #3 of 9 (permalink) Old 11-07-2010, 07:28 PM Thread Starter
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Will the wire right up and what size are they? Some sources are telling me they are 6.5's, the other sites are saying they are 6x9s. I've been told they will wire right up, and then someone else told me the way the factory ones are wired up, you actually have two separate connectors per speaker, one for the highs, the other for the lows.

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post #4 of 9 (permalink) Old 11-07-2010, 09:06 PM
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Yes...stock...each speaker has 2 pairs wires..a high Hz level and Low Hz level. Your speakers will suffer if you only hook up one pair as stated. Stock speakers are surprisingly pretty good compared to some aftermarket..even better than some aftermarket. Unless you can find a speaker that takes high/low inputs...I would suggest leave them alone or go with aftermarket amp and power them up right with a single pair.

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post #5 of 9 (permalink) Old 11-08-2010, 03:41 PM Thread Starter
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Originally Posted by jasonm4444 View Post
Yes...stock...each speaker has 2 pairs wires..a high Hz level and Low Hz level. Your speakers will suffer if you only hook up one pair as stated. Stock speakers are surprisingly pretty good compared to some aftermarket..even better than some aftermarket. Unless you can find a speaker that takes high/low inputs...I would suggest leave them alone or go with aftermarket amp and power them up right with a single pair.
Damn, that sucks. Theres no way around tha witout going to an aftermarket amp or head unit? My stock speakers sound pretty blown. Hopefully my 6.5s will fit in that I have in th front.

Ben G
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post #6 of 9 (permalink) Old 11-08-2010, 04:04 PM
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they are 6x9s with a 3in i believe stacked on top of them.
http://www.advancebay.com/eBay/DSC07376.jpg
also there not a traditional mounted 6x9 you will need adapters.
http://i2.sqi.sh/s_1/2eL/p1000835.jpg
contact italynstylion for the spacers he makes nice ones for a reasonable price.
also any speaker is better than the blown speaker. if it was me i would hook the speaker up to the stock "sub" channels so you dont loose bass.
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post #7 of 9 (permalink) Old 11-08-2010, 04:05 PM
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oh and last thing if your maintaining stock components ie stereo and amp then go with the infinity 6x9s and sell yours they will play the most like the factory speaker as far as loudness is concerned.
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post #8 of 9 (permalink) Old 11-08-2010, 04:09 PM Thread Starter
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I also have a 12 inch Alpine sub in the truck to help with the bass. I'll have to look into those adapters. Not really looking to spend a lot of money on this setup. In the near future I'll get a new double dim head unit/amp. I just got the car 3 days ago and just doing cheap stuff now using what I have laying around. :o

Ben G
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post #9 of 9 (permalink) Old 11-08-2010, 04:29 PM
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Originally Posted by Eclipsed830 View Post
Damn, that sucks. Theres no way around tha witout going to an aftermarket amp or head unit? My stock speakers sound pretty blown. Hopefully my 6.5s will fit in that I have in th front.
Ben, the search button PWNS you. Sheesh. Or you could've just texted me like you did, only too late LOL

'02 Stock IS 5spd w/LSD - 215k+ and still on stock clutch. Occasional track rat
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