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Speaker sizes, harnesses, kits, etc: audio install reference

Old 12-17-2011, 03:08 PM
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If you get on ebay there is some people that sell pvc inserts to change the speaker size in the doors. At least they did a couple years ago when I bought mine and changed my doors to some nice kenwood excelerons 6.5"s. I wouldn't use another speaker with the bose mini amps though, it will sound like crap, same for the rears, that's if you have the bose system though. If you have the base then just buy the inserts and plug in your speaker.

If you wan't to change the door speakers, or the rear 6x9's in a bose system you are better off getting an second amplifier and run wires to the rear and through the doors. I have a custom set up that utilizes the bose amp for the tweeters, a rockford amp for the the speakers and my four subwoofers.
Old 12-18-2011, 12:32 PM
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No doubt a custom bracket is necessary...would fabricate that. Looking to swap out the head unit too so no issue with the Bose amps since I wouldn't be using them.

Just wondering if anybody has stuffed 6x9s in the door. Seems like they'll fit and it's easier to find 6x9 component speakers than 8" component systems.
Old 12-18-2011, 01:27 PM
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Originally Posted by redline86
If you get on ebay there is some people that sell pvc inserts to change the speaker size in the doors. At least they did a couple years ago when I bought mine and changed my doors to some nice kenwood excelerons 6.5"s. I wouldn't use another speaker with the bose mini amps though, it will sound like crap, same for the rears, that's if you have the bose system though. If you have the base then just buy the inserts and plug in your speaker.

If you wan't to change the door speakers, or the rear 6x9's in a bose system you are better off getting an second amplifier and run wires to the rear and through the doors. I have a custom set up that utilizes the bose amp for the tweeters, a rockford amp for the the speakers and my four subwoofers.
So you put in a pair of kenwood excelons without having to remove the mini amps?

Could you link to which ones you installed?

Last edited by Stars25; 12-18-2011 at 01:31 PM.
Old 12-18-2011, 02:02 PM
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Originally Posted by Stars25
So you put in a pair of kenwood excelons without having to remove the mini amps?

Could you link to which ones you installed?
Just disconnect the bose speaker and leave the wires unconnected from the mini amp. I just cut them and left them in place. I then ran new speaker wire to the doors from my rockford amp in the trunk. You have to take the door off if you wan't to do it right and make it look clean.

I was mistaken about the speakers, they are not the excelons, they are the performance series, it had been a while since I installed them.

http://www.kenwoodusa.com/Car_Entert...ers/KFC-1693PS

I have the 6.5's in the doors, and the 6x9's in the rear. They sound awesome BTW.
Old 12-18-2011, 03:44 PM
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I just put in some 6x9 kappas in my rear deck and I'm looking to replace the bose amp in the truck with an aftermarket amp so I can eventually replace the front woofers. If you're happy with your amp, what brand is it?
Old 12-18-2011, 04:45 PM
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Originally Posted by Stars25
I just put in some 6x9 kappas in my rear deck and I'm looking to replace the bose amp in the truck with an aftermarket amp so I can eventually replace the front woofers. If you're happy with your amp, what brand is it?
It's a rockford fosgate p400-4. Awesome amp, and it's a power cube amp. Rockford actually under rates their amplifiers.
Old 12-18-2011, 06:26 PM
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I'll have to look harder before I fabricate a mount, but I haven't found any mounts on ebay (unless I'm searching with the wrong key words) that will mount in our 9" hole.
Old 12-18-2011, 06:56 PM
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Originally Posted by Stars25
I'll have to look harder before I fabricate a mount, but I haven't found any mounts on ebay (unless I'm searching with the wrong key words) that will mount in our 9" hole.
They weren't easy to find, it has been at least a year and a half since I bought mine. It doesn't look like the seller I bought them from makes them anymore, guess there wasn't much of a rx8 market for them. They basically where black heavy duty pvc inserts cut to fit the hole from the bose speaker using the speakers stock 4 screws, then in the middle was another cut out designed to fit the speaker size you wanted.

I wish I had a picture of it but I really don't feel like taking my door panel off again lol.
Old 12-19-2011, 10:36 AM
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I found this place but they don't specifically state they're for the Bose system:

http://www.car-speaker-adapters.com/items.php?id=SAK021
Old 12-19-2011, 12:49 PM
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Sweet find, those are exactly like the ones I have. Looks like they will only work for a 6.5" or a 5.25" speaker so if you wan't a 6x9 for the door, probably have to custom fabricate it.
Old 12-19-2011, 09:48 PM
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I contacted them about a custom cutout (which they offer) but they can only cut circles so no dice. I will probably order the 5-1/2" model and cut them myself if they'll fit the speaker.
Old 12-21-2012, 02:58 AM
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what should I do?

Originally Posted by firebirdude
Those WITH THE BOSE SYSTEM who are installing the Metra kit to replace the factory headunit with an aftermarket unit, you must install the kit using your new headunit's RCA outputs. The RX8 factory headunit sends a low-level signal to the Bose amp, which then amplifies it and sends it to the speakers. Your new headunit has a small amplifier built in. If you connect your new headunit by following Metra's instructions and using the regular speaker wires, you will be sending an amplified signal to the Bose amp, which will then amplify it a second time before sending it out to your speakers. This will yield an extremely high volume with the headunit volume set very low, as well as distortion and noise even with the volume set to zero.

To solve this, use a simple RCA to speaker wire adapter piece, like pictured below:

Just plug the RCA end into your new headunit's front/rear RCA outputs and wire the speaker leads to the appropriate wires on the Metra harness. This will allow a low-level signal to be sent to the Bose amp and save you a ton of headaches.

If you plan on using your new headunit's RCA rear output for subwoofers, then a simple RCA Y-cable would work. One pair to the Metra harness using the method above and one pair to your new aftermarket sub amp.

If your headunit only has one pair of RCA outputs... well... return it and buy something worth a damn. lol You can try using two RCA Y-cables and fading all the music to the rear (so all the sound is output through the RCA output), but I'm not sure how that will sound. Less than ideal surely.

This post does not apply to those with the base non-Bose system. Install using the regular speaker level outputs on your headunit.
I have a pioneer AVH-X1500DVD and upgrade from my sony single din I have RCA to speaker wire adapter I made sure all my connections were done properly plugged each RCA in the right plug (FR,FL,RR,RL) and I have no sound coming from the speakers than after about a minute or 2 I get a AMP error looked at the trouble shooting and it says check connections, which I worst come to worst the unit is bad but how often does that happen?

anyways wondering if I should just remove the RCA jacks and run it how I was running the old sony with a **** ton of interference, and engine noise but plays music I'm using the JL audio RCA to speaker wire adapters:they are these here:
JL Audio XD-CLRAIC2-SW 2-channel Speaker Wire to RCA Adaptor for High-Level Signal Connection to Amplifiers
Old 12-21-2012, 08:12 AM
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Sounds like you have two of the output wires touching OR one of the output wires is touching metal chassis. Make sure that each connection is insulated properly.
Old 12-21-2012, 04:27 PM
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I quadruple checked and just tried again and no sound and AMP Error again should I give and have it installed or should I just remove the RCA cables and do it the way I had it prior.
Old 12-21-2012, 08:18 PM
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None of the RCA wires OR the speaker wires (that should now be disconnected) are touching each other/metal?

If you're sure everything is proper, I'd give and take it to a professional. Or buy me a plane ticket to Cali and I'll fix it for you.
Old 12-27-2012, 11:35 AM
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Help with metra kit interface plug

Can any of you guys that have the metra kits tell me the order that the wires go into the interface since mine did not come with the plug please



Like do you guys see the plug at the end on the pink plug mine does not have that so I need to know the order of those wires pleaseee take a couple pics so I know the order please
Old 05-17-2013, 07:04 AM
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Originally Posted by Astral
How to tap into accessory plug[/url]. (The Bose amp has no remote turn-on available, only constant battery voltage.)
If as you say above, the Bose amp just has a constant 12V and no remote turn-on then what is stopping this from being a battery drain?

I have removed my headunit completely and now my amp doesn't turn on. It still shows the 12V constant from the battery but it isn't turning on with ACC. Is this because it only turns on when it receives a speaker level signal?

Last edited by DannyJames; 05-17-2013 at 07:08 AM.
Old 05-17-2013, 08:22 AM
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Originally Posted by DannyJames
If as you say above, the Bose amp just has a constant 12V and no remote turn-on then what is stopping this from being a battery drain?

I have removed my headunit completely and now my amp doesn't turn on. It still shows the 12V constant from the battery but it isn't turning on with ACC. Is this because it only turns on when it receives a speaker level signal?
From earlier in this thread:
Originally Posted by firebirdude
Measuring with my DMM at the Bose harness, I noted that the yellow/white and pink/black wires are hot only when the key is in the acc mode. Makes no difference if the headunit is on or not.
These may be one of the wires you need. Not a remote turn-on in the sense we know them, but just wires that get +12V when the car is on. A remote turn-on would do the same thing. Check to see if your Series II Bose amp has these wire and check the voltage on them with a DMM.

EDIT:Ahhh I guess Carbon answered you in the other thread. Pink/black it should be.

Last edited by firebirdude; 05-17-2013 at 08:25 AM.
Old 05-18-2013, 09:15 AM
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The amp does have constant power. Data turns it on and off from the deck
Old 09-05-2013, 03:43 AM
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Okay read a butt load of info today.

Still haven't figured out what exactly what is needed to run a passive crossover with a 6.5in speaker 1in. tweeter (infinity 6030cs 270watts) after market deck infinity basslink sub/amp combo (200watts) and rear 6x9 (9632cf) can I do this with out running new wire and have it all work or am I going to have to run new wire to all speakers, or just the fronts?
Old 09-05-2013, 09:12 AM
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Originally Posted by comebackqid
Okay read a butt load of info today.

Still haven't figured out what exactly what is needed to run a passive crossover with a 6.5in speaker 1in. tweeter (infinity 6030cs 270watts) after market deck infinity basslink sub/amp combo (200watts) and rear 6x9 (9632cf) can I do this with out running new wire and have it all work or am I going to have to run new wire to all speakers, or just the fronts?
If you have the Bose system, then no, you cannot swap out the front door speakers.

Have you read through the FAQ at the top of the forum?
Old 09-05-2013, 10:36 AM
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Originally Posted by firebirdude
If you have the Bose system, then no, you cannot swap out the front door speakers.

Have you read through the FAQ at the top of the forum?
Well that's not 100% true, but it requires an amp and adapters. As far as just replacing them with components without an amp it's not possible. I would definitely read the FAQ if you haven't yet, it will not only save you a lot of headache, but possibly some money.

Hope I didn't step on any toes Fire.
Old 09-05-2013, 10:42 AM
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No toe stepping. Just figured that was pretty obvious...but maybe not.
Old 09-05-2013, 01:42 PM
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Okay that's what I thought I have an amp that I will be using to run the door speakers,tweets and crossovers for the front I've read the FAQ it was just a little wobbly so I was just confused. I will be doing the Install today I will make some documentations to post.
Old 09-05-2013, 02:30 PM
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Originally Posted by comebackqid
Okay that's what I thought I have an amp that I will be using to run the door speakers,tweets and crossovers for the front I've read the FAQ it was just a little wobbly so I was just confused. I will be doing the Install today I will make some documentations to post.
I just replaced the stock Bose system a few weeks ago if you get stuck let me know I may be able to help. Also I gave up trying to run new wire into the doors and tapped into the stock wiring coming off the amp. I did talk to a guy I know who runs a shop first to get his opinion. Good luck with the install.

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