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Fit it Yourself?

Everything you need to fit it yourself at home

Only £30.00 

With Steering Wheel Control
Only £50.00 

5 Stars (3)
Sub and Amp Packages In Phase XT15  BX15S

In Phase XT15 1800 Watts Subwoofer with Bass Box

£134.99 Save £65.00 (33%)  was:£199.99
5 Stars
3 Review(s) / write a review
Quickfind Code - 25773
Save £65.00 (33%)
rrp: £199.99
This product has been discontinued

  • Free Car Air Freshener with every order Free Car Air Freshener with every order
  • Next Day Delivery available on all order before 5pm Next Day Delivery available on all order before 5pm
  • Easy Returns Easy Returns
  • 1 Year Easy Warranty 1 Year Easy Warranty

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Sorry, this product has been discountinued. please call us for alternatives

Key Features

XT15 1800 Watts Subwoofer with Bass Box - In Phase XT15 + BX15S

In Phase XT15 Description:

In Phase's award winning subwoofers provide a heady mix of high quality and raw power, like the best cars. Coming in ten inch, twelve inch and the mighty fifteen inch size, they have advanced design features. Double bottom suspension spiders for total linearity under massive high power drive. Cross woven tinsel leads to transfer power to the large diameter, four layer black aluminium voice coils and powerful heavy duty magnet structures make for an iron grip and melodic control of the bass line of your music. Seamless lightweight polypropylene composite cones with bottom yoke supports provide controlled high power output. The speaker wires connect via Platinum plated spring terminals for perfect power transfer. The polished and chromed chassis with genuine rubber top gaskets look superb, making them suitable for inverted mounting for show use. In Phase subwoofers; for those who want both superb bass quality and the power to impress.

In Phase XT15 Features:

  • 15� subwoofer
  • 900w RMS 1800w peak
  • Single 4 ohm voice coil
  • 88dB 1w/1m
  • Black injected moulded cone
  • Woven-in tinsel leads for high power handling
  • Long throw coil
  • Chromed pressed steel chassis

This package included:

  • 1 x InPhase XT15 1800 watts subwoofer
  • 1 x Bass Box

Download image of In Phase XT15  BX15S Click here for Image of In Phase XT15 BX15S
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Customer reviews

deeeeeep bass
olly on 22/06/2012 5 star rating

my 12" just weren't big enough to get much bass through into the cabin of my bmw m5. chris offered to try this in my boot and my god what a difference it made. bought it there and then.

get low
stu on 19/04/2012 5 star rating

really low, deep bass and much louder than my old 12" sub. this really shakes my car. well chuffed!

In phase xt15 boxed
david on 23/08/2011 5 star rating

very loud low bass is what this sub produces, its great for the money. I wired it myself and as soon as i put it on it set car alarms off!! Might get another if i can bring my misses round haha

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Fitting Services

Need help with Installation?

Here at CarAudioCentre we offer a professional and reputable fitting service in all our stores. For all fitting enquiries and bookings please visit or call one of our nationwide stores. Our fitters can install your new car stereo, DAB radio, audio visual, speakers, subwoofers or amplifier. We can also help to connect your iPod or MP3 player to you existing audio unit and can offer the best advice on the right in-car entertainment for your vehicle, to further this more we also offer a total 100% custom installation service for demo and show vehicles. So if you have an idea come on in and run it past us, the possibilities are endless and we are never too busy for an enthusiastic chat about our favourite subject.

Please note:

"That our two year warranty on products is only applicable to purchases made directly from us and that have been fitted in one of our stores."

Our Stores:

542 546 Mansfield Road, Sherwood NG5 2FR
Tel: 0115 9624 986
743-745 Eastern Ave, Newbury Park, London, IG2 7RT
Tel: 0208 599 2368
835 Garratt Lane, Tooting, London, SW17 0PG
Tel: 0208 971 9181