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-   -   Adding Subs and Amp to bose Can anyone help? (https://www.rx8club.com/series-i-interior-audio-electronics-24/adding-subs-amp-bose-can-anyone-help-198883/)

Jedi54 06-14-2010 02:25 PM

I imagine trunk is just full of amplifiers? :dunno:

firebirdude 06-14-2010 02:26 PM

It would have to be. Four amps MINIMUM.

Jedi54 06-14-2010 02:27 PM

yeah, at least 4.
I'd be curious to see what kind of rack they installed for those little guys.

firebirdude 06-14-2010 02:30 PM

I can't imagine it sounds amazing. Ten coaxils behind the listener for starters. But again, I'd have to see what's up front too. Probably 20 more up there and 10 more on a center channel. LOL

Jedi54 06-14-2010 02:31 PM


Originally Posted by nx04 (Post 3598926)
how do you know :)

oh, and before I completely derail this thread, here's the answer to your question: Jedi's Bose Stereo Upgrade!

Jedi54 06-14-2010 02:33 PM


Originally Posted by firebirdude (Post 3599023)
I can't imagine it sounds amazing. Ten coaxils behind the listener for starters. But again, I'd have to see what's up front too. Probably 20 more up there and 10 more on a center channel. LOL

:rofl:
yeah, it would probably sound terrible but the sheer earth shattering potential of this thing would be quite amusing.

nx04 06-14-2010 03:00 PM

i think i have seen that before

Asylum5500 06-14-2010 06:25 PM

OMG thats is awsome !!!! I dont think I would ever do that to my 8 though I dont think it would even be driveable at that point and It would weght the car down so much it would have no Zoom Zomm. but looks awsome as hell!!!

p.s. I'll be posting finished pic's in a 2-3 days, I cant wait its comeing togeather really well..

OchoShinka 06-14-2010 09:45 PM

What no love for a single JL10W6?

firebirdude 06-15-2010 06:36 AM

Because you didn't bring it up.

littlejob 06-16-2010 08:35 AM

2 Attachment(s)
I have 2 10's with a custom box in my trunk
Attachment 258586

amp bolted on back, cut out plastic covering so it still fits, when closed
Attachment 258587

I do have a question tho. i heard people saying just tap the left speaker.. Why just the one? I have an RCA converter box, that wires + and - into this box then you have the 2 rca's that plug into amp. I have noticed that the car unit doesn't really adjust the the bass the way it should..can this be fixed? or do i need a remote for amp to control power?

firebirdude 06-16-2010 08:26 PM


Originally Posted by littlejob (Post 3601942)
I have noticed that the car unit doesn't really adjust the the bass the way it should..can this be fixed?

What do you mean?

Some people say just tap one speaker because it really doesn't matter. You're just hijacking the signal from somewhere. The only advantage is your sub will not fade if you balance from left to right.... but who really does that?

littlejob 06-17-2010 06:39 AM

right...

like when i control the bass from the radio the bass on the sub doesnt lower. It would make since if it did since im connecting from the rear speakers.

Now i have to get a remote for the amp to control power and "loudness"

firebirdude 06-17-2010 07:28 AM

It should/does. If you lower the bass setting, less low-end is sent to the rear speakers and, there-by, less to the sub. Sounds like you have the line output converter/gain cranked so high you can't tell the difference. I would find where the line output converter is hidden and turn the knobs a little counter clockwise. Now you should have to have the bass setting on the headunit higher to get the same output you're used to having. But now a lower setting should give you a bit less output too.

laythor 06-17-2010 12:54 PM

1 Attachment(s)
Am i the only one who thinks one sub is more then enough? I've actually turned down the power to the sub in my HU (avic d3).. maybe i'm just gettin old

Attachment 258528

Jedi54 06-17-2010 02:01 PM

you're getting old.

mike[piston eater] 06-17-2010 02:09 PM

it all depends one 12inch w7 or a cvx like what i have is enough but say 1 w1 or a w3 not enough

or you could just do it the jedi way 2 w6s and be beastly and call it a day lol

ZumnRx8 06-17-2010 02:27 PM


Originally Posted by Jedi54 (Post 3598896)
,,,,,,,,,,,,,,,

We all do not know it needs it.
While the Bose is lacking for some of us in the bass department, dual 12's is overkill. You'd be better off with two properly powered 10 inch subwoofers.
Ask me how I know. ;)

Jedi, your 2-10's in the 4080 boxes kill most 2-12's set-ups anyday....I agreee with JEDI.... properly powered subwoofers. Yesterday I helped Kingsfan install his Pioneer double din along with full Rocksford Fosgate Cable, Rocksford Fosgate Amp, Rocksford Fosgate Punch 10 inch (x2).... and for a 300 watt set-up THAT THING KNOCKSSSSSSSSSSSSSSS (ZENCLOSURE BOX). I would suggest this setup for anyone who just wants a bit more bass that doesnt cause everything to rattle. YOu dont need big woofers for SICK BASSS.... JEDI's car causes Earthquakes (seriously)

Anyways,..... how Jedi said, properly powered subwoofers.


Laythor: no you are not the only one I have (now IZZY) has a single 10 inch woofer that is more than enough when properly powered and enclosed in a proper box with proper air space that the sub requires. (Zenclosure box)

also.... Laythor where did you get that bottom piece? Amp rack?

mike[piston eater] 06-17-2010 02:29 PM

10s hit cleaner too

Jedi54 06-17-2010 02:35 PM

thanks Mike & Zumn. :cool:
I still remember Zumn hearing my system for the first time at the Big CA Meet. :evil_laug

as for 12's vs 10's.
I've had both dual 12's (in my 626) and the dual 10's.
What I found is that it all comes down to how you mount them (bandpass, open box, seperate boxes, etc. Proper sized boxes is critical) what rating the subwoofers are, and how well you power them. If you under power the subs, you're doing yourself an injustice. Over-power them and that can be bad as well.

I'm super happy with my current setup, wouldn't change it for a thing but I listen to a lot of rap & hip-hop so I enjoy the extra bass. Some people don't like to feel their bass as much and two subwoofers might be too much.
Like most things in life, it comes down to personal preference.

mike[piston eater] 06-17-2010 02:39 PM

my problem was this mine sounded good with rap n hip hop but with metal and dual bass pedal it was just rediculous so just turn the remote bass controler down,


i cant wait til i finish the system im my new car i think itll be rather satisfyning in gonna need a custom box though

Jedi54 06-17-2010 02:42 PM

remember to properly adjust the gain on your amp, that could help you with getting the right sound.

ZumnRx8 06-17-2010 02:50 PM


Originally Posted by Jedi54 (Post 3604439)
thanks Mike & Zumn. :cool:
I still remember Zumn hearing my system for the first time at the Big CA Meet. :evil_laug

.... next time Im bring my ear plugs, mouth guard, and helmet.

Im scared that my ear drums will rip, teeth fall out, and possibly some brain damage (more than i already have).:shocking:

laythor 06-17-2010 06:02 PM


Originally Posted by ZumnRx8 (Post 3604419)

also.... Laythor where did you get that bottom piece? Amp rack?

the bottom piece is the trunk organizer that mazda makes.. bought it from some dealer out of state a few years ago. The amp is under the passenger seat. I wanted a very subtle install.

I will agree with your statement about proper power and box size. My box was custom made by a local shop and it is CRAZY loud if i put the spurs to it.



@Jedi.. fuck you. :angel:

Asylum5500 06-18-2010 12:42 AM

Ok So Never going to best buy agean !!! Droped car off this morning to get front woofers replaced and new back subs installed! when I came back 6 hrs latter to pick up car, 1 nothing was done, 2 they "accidently" dropped and broke my new woofer for the front driver door. and 3 when they put the doors back togeather they broke the damn paneling around the door noob!! witch I didnt notice untill I got home and it fell of in my hand when I opened my door !! To say the least Im pissed !! So now tommarow i have to drive out to the dealer to get a new trim peace and new woofer. then back to best buy to make them fucking pay for it!! and to get a fucking return on my install that never happend !!!! Im just doing all the fucking work myself for now on. I sould have lissend to you guys when u said not to take it there!!!

O
P.S. Does anyone have a Spare set of door woofers that would fit my 2004 they are willing to sell? I dont need the amps just the woofer part.


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