General Fitted my underseat sub

[WildFir3]

Hey guys,

I finished fitting my underseat sub the other day and I just thought I'd show y'all. This is my first bit of "serious" car modding and so I'm pretty pleased it all went smoothly . I went for an underseat sub because I didn't want to fill up the boot (I use the boot quite often) and I didn't want neighbourhood-waking bass either

I went for a Pioneer TS-WX11A (can purchase for £120 online), which seems like an amazing unit for the price. The bass it puts out is first class - the woofer is very large; almost as big as the unit itself. It doesn't hiccup at all and compliments the factory speaker setup brilliantly. The main thing I was really pleased about is that it is a perfect fit for under the GP seats. It sits perfectly between the front of the footwell and the floor mats, and so is entirely invisible from the outside:





Not too much to note techically really. I used Alex_gregory_uk's guide as a rough guide (thanks Alex!). So that no existing wiring was modified I purchased a female->male ISO connector which sits between the car's harness and the stereo and I splice my wires into this. I use the AUT. ANT. wire from the stereo to provide my "remote" signal, so the sub powers on when you switch the stereo on (not when you turn the key). The only semi-annoying thing is that the trim (mostly the doors I think) rattles a bit more than I'd like when I turn it all up, but that might be because of the speakers at their higher volume and not the sub :/

 

[AlanHod]

Hey guys,

I finished fitting my underseat sub the other day and I just thought I'd show y'all. This is my first bit of "serious" car modding and so I'm pretty pleased it all went smoothly . I went for an underseat sub because I didn't want to fill up the boot (I use the boot quite often) and I didn't want neighbourhood-waking bass either

I went for a Pioneer TS-WX11A (can purchase for £120 online), which seems like an amazing unit for the price. The bass it puts out is first class - the woofer is very large; almost as big as the unit itself. It doesn't hiccup at all and compliments the factory speaker setup brilliantly. The main thing I was really pleased about is that it is a perfect fit for under the GP seats. It sits perfectly between the front of the footwell and the floor mats, and so is entirely invisible from the outside:

View attachment 40891

View attachment 40892

Not too much to note techically really. I used Alex_gregory_uk's guide as a rough guide (thanks Alex!). So that no existing wiring was modified I purchased a female->male ISO connector which sits between the car's harness and the stereo and I splice my wires into this. I use the AUT. ANT. wire from the stereo to provide my "remote" signal, so the sub powers on when you switch the stereo on (not when you turn the key). The only semi-annoying thing is that the trim (mostly the doors I think) rattles a bit more than I'd like when I turn it all up, but that might be because of the speakers at their higher volume and not the sub :/

Have you turned the bass etc to 0 on your headunit? That sould stop the doors rattling if it is the speakers. I have and mine don't rattle when i have the stereo up loud.

 

[juwel-180]

WOW! now that is realy good! very tempted to do the same when my car comes! As a Q what's the watt of the sub and how long did it take you to install it? But looks realy good

 

[WildFir3]

Have you turned the bass etc to 0 on your headunit? That sould stop the doors rattling if it is the speakers. I have and mine don't rattle when i have the stereo up loud.

Yeah I'm pretty sure I turned it down, I should probably take it even lower and increase the gain more on the sub perhaps. I will fiddle with the settings some more.

WOW! now that is realy good! very tempted to do the same when my car comes! As a Q what's the watt of the sub and how long did it take you to install it? But looks realy good

Cheers. The sub is 150W. It probably took me about 4 hours to fit (including an emergency Halfords trip for some tools - my ratchet driver broke!), which sounds like quite a while, but I hadn't done anything like this before so I was very methodical and I wasn't in a rush at all

 

[Jamie]

looks cool!!

i like it

 

[Usurper]

looks a real nice unit, does it improve the sound quality alot?

 

[Thomas_Si]

Very nice and very subtle.

Did you have to screw it to the floor?

I'd be tempted to make a harness to hang it from the seat springs if you do have to drill the floor

 

[WildFir3]

looks a real nice unit, does it improve the sound quality alot?

Yeah, it really does. I think it's exactly what a sub "should" be like: the bass it puts out is extremely civilised and it complements the audio system really really well without being too overstated and drowning the rest of the song out. It adds so much depth to the music. That said it's certainly no slouch and doesn't give up either; it will put out some really powerful bass at high volumes.

 

[WildFir3]

Very nice and very subtle.

Did you have to screw it to the floor?

I'd be tempted to make a harness to hang it from the seat springs if you do have to drill the floor

Thanks

Actually nope I haven't even done a single thing to fix it to the floor. I was going to get some velcro pads and stick them to the bottom of the sub, and I probably will still do that, but I don't think it's really needed. I've done a fair bit of driving with it installed, some rather racey, and it hasn't moved one bit. I think that probably because it fits into the gap so well it doesn't really have any room to slide around in...

 

[AlanHod]

Thanks

Actually nope I haven't even done a single thing to fix it to the floor. I was going to get some velcro pads and stick them to the bottom of the sub, and I probably will still do that, but I don't think it's really needed. I've done a fair bit of driving with it installed, some rather racey, and it hasn't moved one bit. I think that probably because it fits into the gap so well it doesn't really have any room to slide around in...

I had a halfords underseat sub, secured it with 2 squares of velcro (approx 4cm square). Held it in place really well. I'd get some to be on the safe side. Can get sticky velcro from Woolworths for less than £2.

 

[adamfg]

That looks really cool when I've saved some money I think I'll do the same! just one thing, does it fit perfectly under the seat of both the 3 and 5 door ? (I have 5dr) Awesome job !

 

[WildFir3]

That looks really cool when I've saved some money I think I'll do the same! just one thing, does it fit perfectly under the seat of both the 3 and 5 door ? (I have 5dr) Awesome job !

Mine's a 3 door and I haven't been in a 5 door one, but I reckon they wouldn't need to change much. Might be worth sticking a ruler under the seat to be sure though. The sub is 280x200x80mm.

 

[Captain Mike]

does it not annoy you vibrating on your @r5e? mine annoys me some times and its in the boot.

 

[WildFir3]

Heh, I haven't had any complaints yet! I don't think it particularly vibrates the seat it's under any more than it does the rest of the car to be honest...

 

[T-Jet 120]

Looks very nice and subtle, great mod.

 

[Woodruff]

Just bought the same sub! £140 though :S please please please could you try guide me through the wiring of it! The rca cable is being a B1TCH to make work! The sub is powered up and all good but yeah have no clue about how to get the rca cables working! Please reply!

 

[Andy Monty]

Just bought the same sub! £140 though :S please please please could you try guide me through the wiring of it! The rca cable is being a B1TCH to make work! The sub is powered up and all good but yeah have no clue about how to get the rca cables working! Please reply!

seen as you asked so nicely take it your putting it into a 500?


right so you have

so far

nice jucy live from the fuse box


a switched live from no doubt the fag lighter

an nice ground


you should have got a RCA line level reducer with the sub did you not?


the funny looking plug thingy with black heat shrink and a cluster of wires..


From memory

there are 4 wires

you need some speaker wire and ideally a soldering iron or red scotch hooks...

you need to pop your head unit out and work out which are the speaker outputs on teh GP its marked.. with a label (not sure about the 500)

gp:

https://www.fiatforum.com/attachment.php?attachmentid=76744&thumb=1&d=1271695342


ignore the red tags i added

if you look above that the other label shows

(lr) left rear (lf) left front (RF) Right front and (RR) Right rear with the respective markings for polarity


you need to splice into either the front or rear left and right channels and take them to the adaptor then plug that into the subs line level inputs

 

[Woodruff]

Thank you very for your help mate! It is all fitted and working perfectly I have both the remote and live wire going to the cigarette port, that's not a problem right? :L its working for me! And the ground goes to my cigarette negative line did the rca wiring to a terminal block and skipped the soldering!

 

[Andy Monty]

it wont be an issue unless you try using your fag lighter to power something as well as the sub...... although a sat nav /phone charger draws naff all it only takes 10a fuse and the lighter is rated at 20a