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Old 11-28-2015, 05:41 PM   #1
scotte30m3
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Default 2015 wrx under seat sub and trunk AMP

As the title says... I installed pioneer shallow mount 8" subs in pioneer sealed downward firing boxes in my 2015 base WRX. Needless to say they fit perfect!

https://goo.gl/photos/AMd1xuBVSNrnzBdF6

Here's what and where I bought to do the complete install

https://www.amazon.com/gp/aw/d/B00JQ...?ie=UTF8&psc=1

https://www.amazon.com/gp/aw/d/B00JQ...?ie=UTF8&psc=1

https://www.amazon.com/gp/aw/d/B001F...?ie=UTF8&psc=1

I had the 2800 watt amp laying around from a previous install.

I haven't hooked anything up yet as I'm still debating on a new head unit or patching in RCAs to the stock radio.
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Last edited by scotte30m3; 11-28-2015 at 06:50 PM.
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Old 11-28-2015, 06:30 PM   #2
Midnite8
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Interesting, this is much cheaper than say a low profile Kicker sub that can also fit under the seat.
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Old 11-28-2015, 07:25 PM   #3
mitch808
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Interesting indeed. God i miss the old raammaudio 10" arc audio underseat system
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Old 11-28-2015, 07:36 PM   #4
scotte30m3
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Quote:
Originally Posted by Midnite8 View Post
Interesting, this is much cheaper than say a low profile Kicker sub that can also fit under the seat.
These pioneers in the pioneer boxes got great reviews as well... Only time will tell for me.
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Old 12-01-2015, 07:34 PM   #5
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You don't by chance have the measurements of the area do you? I am trying to fit an amp and LC6I under there so I need a small footprint amp. Sorry, too lazy to unbolt my seat atm lol
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Old 12-01-2015, 08:34 PM   #6
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This is what I initally wanted to do. I've got a JL Audio 10" TW3 where the OP's amp is. How does it sound? It would be great to have a sub in the cabin instead of passing sound through the trunk.

Edit: I may just get the box and shove my sub in it. I've been on and off about fiberglassing an enclosure there but don't want to deal with the smell.

Last edited by tomferd; 12-01-2015 at 08:40 PM.
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Old 12-01-2015, 08:38 PM   #7
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Whoops double post.
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Old 12-01-2015, 09:09 PM   #8
scotte30m3
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Quote:
Originally Posted by Midnite8 View Post
You don't by chance have the measurements of the area do you? I am trying to fit an amp and LC6I under there so I need a small footprint amp. Sorry, too lazy to unbolt my seat atm lol
According to Pioneer factory specs of the box that fits perfect under the seat the dimensions are 10" x 12" x 6" deep. I didn't have to unbolt the seats to measure it either. LoL
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Old 12-01-2015, 09:14 PM   #9
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Quote:
Originally Posted by tomferd View Post
This is what I initally wanted to do. I've got a JL Audio 10" TW3 where the OP's amp is. How does it sound? It would be great to have a sub in the cabin instead of passing sound through the trunk.

Edit: I may just get the box and shove my sub in it. I've been on and off about fiberglassing an enclosure there but don't want to deal with the smell.
I haven't finished the install yet, I'm still debating on a new head unit or patching RCAs into the factory radio.

Even if you get your 10" sub to fit in this box it won't have enough air space to function properly. Just a thought.

Last edited by scotte30m3; 12-01-2015 at 09:19 PM.
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Old 12-01-2015, 09:14 PM   #10
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Are you going by LxWxD? The website says: 11-3/4" x 9-1/4" x 5-1/2" (W x D x H)
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Old 12-01-2015, 09:23 PM   #11
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Quote:
Originally Posted by Midnite8 View Post
Are you going by LxWxD? The website says: 11-3/4" x 9-1/4" x 5-1/2" (W x D x H)
I rounded up and transposed the numbers, oops.
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Old 12-01-2015, 09:26 PM   #12
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From your pics, the dept of this box is perfect and looks like there is 3-5 inch. of width space left over?
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Old 12-01-2015, 09:31 PM   #13
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Quote:
Originally Posted by Midnite8 View Post
From your pics, the dept of this box is perfect and looks like there is 3-5 inch. of width space left over?
Under the seat rails yes but take into consideration your height is cut down to about 3"...
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Old 12-01-2015, 09:32 PM   #14
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Trying to fit a NVX JAD900.5 and LC6I side by side. Total width looks to be 20 in. I for sure have to measure my car when I get home from work. Height is no problem since both components are under 2 in.
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Old 12-01-2015, 09:38 PM   #15
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Quote:
Originally Posted by Midnite8 View Post
Trying to fit a NVX JAD900.5 and LC6I side by side. Total width looks to be 20 in. I for sure have to measure my car when I get home from work. Height is no problem since both components are under 2 in.
If over all length is 20" then they won't fit side by side.
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Old 12-01-2015, 09:44 PM   #16
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Quote:
Originally Posted by scotte30m3 View Post
If over all length is 20" then they won't fit side by side.
Well crap. Lol. Guess I have to find an even smaller footprint 5-chan amp that won't break my bank.
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Old 12-02-2015, 12:10 AM   #17
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Quote:
Originally Posted by scotte30m3 View Post
I haven't finished the install yet, I'm still debating on a new head unit or patching RCAs into the factory radio.

Even if you get your 10" sub to fit in this box it won't have enough air space to function properly. Just a thought.
I am aware but thanks for mentioning it. For me it comes down to having muffled bass from the trunk or an undersized sub box under the seat. I would think the latter would sound better, no?
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Old 12-02-2015, 06:21 PM   #18
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For anyone that is wondering, the dimensions under the seat are LxWxD(18x9x3)
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Old 12-02-2015, 09:55 PM   #19
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I looked under my seat, are those black air vents for the ac/heat? Wondering if there will be any problems with the amp getting hot.
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Old 12-09-2015, 09:01 PM   #20
scotte30m3
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Yes those are air vent... There will be enough air volume that the amp won't get too hot.
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Old 12-16-2015, 08:58 AM   #21
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Just make sure the sub doesn't slide, don't want to brake the speaker cone
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Old 12-22-2015, 10:59 PM   #22
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Quote:
Originally Posted by Slashz26 View Post
Just make sure the sub doesn't slide, don't want to brake the speaker cone
Velcro-- the heavy duty kind held my kicker hideaway in place-- only need the one side-- it will grab the carpet just fine
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Old 12-23-2015, 02:35 AM   #23
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Quote:
Originally Posted by tomferd View Post
I am aware but thanks for mentioning it. For me it comes down to having muffled bass from the trunk or an undersized sub box under the seat. I would think the latter would sound better, no?
This would simply be more down to getting the cleanest amp and sub+tuned box you can find, Doesn't really matter where the box is as long as the waves are in phase.
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Old 01-05-2016, 12:15 AM   #24
scotte30m3
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So I got everything installed and the driver seat is thumping but the passenger seat is lacking the same thump. It's got sound just not As loud and heavy as the driver side.

I validated everything is plugged in correctly and Checked continuity. Swapped the channels to see if my problemed jumped to the other sub and it didn't.

I'm really scratching my head on this one... Anyone have any ideas?

BTW fitment is very tight under the seats and the seats do not push all the back. One click from all the way back on both sides. Just something to keep in mind if you're really tall and have to have the seats all the way back.
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Old 01-05-2016, 12:41 AM   #25
Zmanelite
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Have you tried swapping wires/Ch ?
See if this way it changes , also could be subs are different impedance
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