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Where Can I Hide 2 Small Amps In A 2009 Ext Cab?

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Cloudsplitter Enthusiast

Cloudsplitter

Posted
Posted

I have a 2009 Silverado extended cab, non-Bose with On-Star. My rear seat is the slit bench which usually remain folded up for my dogs.

 

I know the most common solution for amps and subs is in a box under the rear seat and there are also stealth subs that go under the front middle. Mounting anything on the floor under the rear seat is out of the question since I have a Weather-Tech full rear floor matt and thats where my dogs hang out. I have looked behind the rear seats and it just doesn't seem like there is enough clearance to mount the amps on the rear cab wall.

 

So here is a quick 411 on what I have planned and what components I have already purchased.

 

- Using a PAC Audio AOEM-GM 1416 to add RCA outs to the stock stereo for the amps. (Remember, 'stealth' is the key word)

 

- I have two shallow mount 8 inch Pioneer Subs which I plan to put in the front doors in the factory speaker locations. I have already taken my door apart when i installed the new black door handles, so with only a little modification I can open the mounts with a bit of grinding and fit the 8 inch subs.

 

- I will re-locate the front speakers into Q-logic kick enclosures that I got for $60, they hold component speakers and replace the factory kick panels in the outside corners of the foot wells.

 

- I'll replace the rear speakers with something better, run new shielded speaker wire through the factory door wire harness, all the new speakers running off one 4 channel amp, the two subs running bridged off an identical 4 channel amp.

 

- My two 4 channel amps are Sony X-plode XM-4S. Each one is only 7 3/4 x 8 3/4 x 1 3/4 inches, very compact. I used one of these under the passenger seat in a Jeep Wrangler and it was great. Not super powerful but plenty for me.

 

So, I only paid $59 each for the 8 inch subs and $79 each for the Amps (eBay). I haven't bought the component speakers for the front or the 5's that will go in the rear doors, but I'll take care of that when I find a good sale. So including the Pac Audio adapter I've only spent just over $300. With the speakers I need and the wiring, RCA patch cables and a Power Cap I'll spend another $300 at least but total $750 is a good estimate for a pretty good system.

 

Back to the real point, I want to mount the amps totally hidden and out of the way. Under the seats will not work because of the vents that supply air to the rear cab are on the floor there. Also, as I mentioned I can't put anything on the floor under the rear split bench because my Dogs hang out there. Behind the rear bench seat is still a possibility but they are so lush mounted I don't think I have the clearance, especially when they are folded up. Does anyone have any ideas where else I could possibly mount these small amps? I'm all ears....

Doug_Scott Senior Enthusiast

Doug_Scott

Posted
Posted

You may not be happy with the bass in the doors. There are lots of little bars and clips inside the door, they will rattle like hell. The sub could be put in a downward facing box on the drivers side uner the seat. The top of the box is just a plain box, speaker fires down, so no exposed speaker. Amps can be mounted on the back of the cab, down near the floord, behind the seat back. Amps do not require a lot of space. If you have a console, amp and sub can be mounted in there, like the bose stuff is.

aesalazar Enthusiast

aesalazar

Posted
Posted

I have the same truck and like you wanted to be as stealth as possible. I put my amp under the passenger seat and sat it on top of the vent. Not ideal but it is clean and out of site. Since the vents only feed the extended cab I wasnt too worried about air flow (we are only talking, what, 5 feet? :) ). Nice thing was there are grounding post right under the seat so I was able to bolt the amps ground to them using an O ring clamp (or whatever it is called).

 

I agree with doug about putting subs in the doors. Even with tons of dynamat, I cant image not have some sort of rattling. I ended up with the JL StealhBox you were eluding to:

 

http://mobile.jlaudio.com/products_stealth...php?fit_id=1586

 

 

Also have an advent OGM1 HU so it looks close to factory and JL Components in the OEM front door/tweeter locations. Pretty much 100% stealth.

 

Ernie

Kirkathon25 Enthusiast

Kirkathon25

Posted
Posted

i put my two amps under the back seat on that lil shelf along with a capacitor, just blow some air on the floor every so often, the vents under the seats blow right on them. and you couldnt even see them unless you bend down and look

omar.espinoza92 New Member

omar.espinoza92

Posted
Posted

Here's pretty much what i did, not sure if its any use to you but the back wall of an 09 is perfect for putting anything out of the way and hidden. I put an amp on the back of my 2010 ext cab and the only problem is that if i need to get to my amp, i have to take my back seat out, which becomes a hassle. I put a rockford prime 1000bd in on the back wall, the amp is about a foot long and about 5-6 inches long. good sized amp and it fit snug, no problems at all. Here's some pics to give somewhat of an idea of what i did and have. The third picture is my old box set up with 2 slim p3's downfiring.. pretty much the biggest waste of money ever, did not sound good, reverberated horribly, and was tuned badly.. i ended up getting a probox fully loaded with sub instead, but kept the amp. ill have to post a picture later to show you, but for a 10 i've beat out several 15's. lol The setup your running its gonna sound clean i bet, and i like you i wanted the whole stealth look, with very little to no wiring showing.

IMG_7995.jpg

IMG_3622.jpg

IMG_7794.jpg

Cloudsplitter Enthusiast

Cloudsplitter

Posted
  • Author
Posted
I put 2 rather large amps on the back wall of my 2008 ex-cab.

here is a few pics

 

 

post-76283-1314328377_thumb.jpgpost-76283-1314328528_thumb.jpg

 

That looks really great, but once you put the seat back on will it fold up? When checking things out in my truck I noticed that when the rear seat is down there is room behind it, then when you fold it up it sits flush.

Cloudsplitter Enthusiast

Cloudsplitter

Posted
  • Author
Posted
Here's pretty much what i did, not sure if its any use to you but the back wall of an 09 is perfect for putting anything out of the way and hidden. I put an amp on the back of my 2010 ext cab and the only problem is that if i need to get to my amp, i have to take my back seat out, which becomes a hassle. I put a rockford prime 1000bd in on the back wall, the amp is about a foot long and about 5-6 inches long. good sized amp and it fit snug, no problems at all. Here's some pics to give somewhat of an idea of what i did and have. The third picture is my old box set up with 2 slim p3's downfiring.. pretty much the biggest waste of money ever, did not sound good, reverberated horribly, and was tuned badly.. i ended up getting a probox fully loaded with sub instead, but kept the amp. ill have to post a picture later to show you, but for a 10 i've beat out several 15's. lol The setup your running its gonna sound clean i bet, and i like you i wanted the whole stealth look, with very little to no wiring showing.

IMG_7995.jpg

IMG_3622.jpg

IMG_7794.jpg

 

This looks like the best suggestion by far! The only draw back is not getting to the amps without removing the seat again. I think I can live with that once they are dialed in correctly. Nice to see the example of how the seat folds back up. Thanks Kamakazii

Cloudsplitter Enthusiast

Cloudsplitter

Posted
  • Author
Posted
You may not be happy with the bass in the doors. There are lots of little bars and clips inside the door, they will rattle like hell. The sub could be put in a downward facing box on the drivers side uner the seat. The top of the box is just a plain box, speaker fires down, so no exposed speaker. Amps can be mounted on the back of the cab, down near the floord, behind the seat back. Amps do not require a lot of space. If you have a console, amp and sub can be mounted in there, like the bose stuff is.

 

I think I'm going to take that advice and not put the 8 inch subs in the doors. I believe you when you say they will rattle like hell. I think I will have to lose the vents under the seats and then custom build down firing boxes for driver and passenger sides. I have turned my AC on full blast and put my hand down over those vents and barley felt the breeze of a strong fart... they don't seem to do much anyway.

 

Anybody think removing those vents would be an issue?

aesalazar Enthusiast

aesalazar

Posted
Posted
You may not be happy with the bass in the doors. There are lots of little bars and clips inside the door, they will rattle like hell. The sub could be put in a downward facing box on the drivers side uner the seat. The top of the box is just a plain box, speaker fires down, so no exposed speaker. Amps can be mounted on the back of the cab, down near the floord, behind the seat back. Amps do not require a lot of space. If you have a console, amp and sub can be mounted in there, like the bose stuff is.

 

I think I'm going to take that advice and not put the 8 inch subs in the doors. I believe you when you say they will rattle like hell. I think I will have to lose the vents under the seats and then custom build down firing boxes for driver and passenger sides. I have turned my AC on full blast and put my hand down over those vents and barley felt the breeze of a strong fart... they don't seem to do much anyway.

 

Anybody think removing those vents would be an issue?

 

 

Shouldnt be an issue. The vents run under the carpet and clip into a plastic port under the dash. IIRC, there wasnt even a screw holding them together, they just snapped together. Could problably just tape off the port once it is out...

 

Ernie

MB2008LTZ Enthusiast

MB2008LTZ

Posted
Posted
I put 2 rather large amps on the back wall of my 2008 ex-cab.

here is a few pics

 

 

post-76283-1314328377_thumb.jpgpost-76283-1314328528_thumb.jpg

 

That looks really great, but once you put the seat back on will it fold up? When checking things out in my truck I noticed that when the rear seat is down there is room behind it, then when you fold it up it sits flush.

 

 

 

The seat will fold up a little on driver side, but no real need to lift any higher with the stealthbox there. I have full lift on the passenger side seat. Alot of planning and test fitting went into installing those two amps. Had to do some fab work to make them fit and no longer have a center seat belt.

post-76283-1314328377_thumb.jpg

post-76283-1314328528_thumb.jpg

post-76283-1314328377_thumb.jpg

post-76283-1314328528_thumb.jpg

post-76283-1314328377_thumb.jpg

post-76283-1314328528_thumb.jpg

00_Extended Enthusiast

00_Extended

Posted
Posted
I have the same truck and like you wanted to be as stealth as possible. I put my amp under the passenger seat and sat it on top of the vent. Not ideal but it is clean and out of site. Since the vents only feed the extended cab I wasnt too worried about air flow (we are only talking, what, 5 feet? :D ). Nice thing was there are grounding post right under the seat so I was able to bolt the amps ground to them using an O ring clamp (or whatever it is called).

 

I agree with doug about putting subs in the doors. Even with tons of dynamat, I cant image not have some sort of rattling. I ended up with the JL StealhBox you were eluding to:

 

http://mobile.jlaudio.com/products_stealth...php?fit_id=1586

 

 

Also have an advent OGM1 HU so it looks close to factory and JL Components in the OEM front door/tweeter locations. Pretty much 100% stealth.

 

Ernie

 

Same set up I have in my 2009 extra Cab. I put some velcro on the bottom of my amp and it sits on top of the vent. Does not ove or go anyplace at all and vent is still there. It's a Kicker ZX750 http://www.sonicelectronix.com/item_31883_...-11ZX750.1.html

 

I mounted the bass boost dail in the ash tray since I don't smoke....now it has a use I can use. It's mounted on the inside of course and on the side facing the interior or bottom when you open it up. Just a double sided tape and it sticks there great.

Cloudsplitter Enthusiast

Cloudsplitter

Posted
  • Author
Posted

Anyone have any examples or suggestions for building down-firing sub boxes that would fit under the seats? I'm pretty good with wood work so making them out of MDF would be no problem, its coming up with a design that will be the challenge. FYI, the subs I have are 8 inch shallow mount, so they are pretty low profile. Thanks in advance for any additional advice!

00_Extended Enthusiast

00_Extended

Posted
Posted

Copy the JL Audio stealth box for the center console. Mine hits hard...very hard.

 

Page to see them all for the the Silverado's

 

http://mobile.jlaudio.com/products_stealth...mp;model_id=739

 

09 Extrac Cab ceter console replacement.

 

http://mobile.jlaudio.com/products_stealth...php?fit_id=1586

 

Honestly for the money...I paid $475.00 for mine, it direct bolt in, rattles the glass and and you don't even know it's there I think the price is pretty good.

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