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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 (14)

In Phase Car Audio XT12 1400 Watts Subwoofer

£69.74 Save £60.25 (46%)  was:£129.99
5 Stars
14 Review(s) / write a review
Quickfind Code - 20168
Save £60.25 (46%)
rrp: £129.99
This product has been discontinued

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Sorry, this product has been discontinued. We recommend the following product.

Juice Car Audio JS12 1400W 12" single 4Ω voice coil subwoofer
Juice Car Audio JS12

Key Features

XT12 1400 Watts Subwoofer - In Phase Car Audio XT12.1

In Phase XT12 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 XT12 Features:

  • 12” subwoofer
  • 700w RMS 1400w peak
  • Single 4 ohm voice coil
  • 87dB 1w/1m
  • Black injected moulded cone
  • Woven-in tinsel leads for high power handling
  • Long throw coil
  • Chromed pressed steel chassis

Download image of In Phase Car Audio XT12.1 Click here for Image of In Phase Car Audio XT12.1
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Customer reviews

xt12.1 subs
Base Design on 15/11/2011 5 star rating

These are by far the BEST subwoofers in their class!! Base Design only uses In-Phase products!!

in phase
Phil Marshall on 24/06/2011 5 star rating

i have now a full system done by inphase, brilliant equipment. cars sound mint, amazing tops and lows filled by the punch of the in phase xt63 mk2s, very pleased with inphase for a great products

Inphase xt12
Frank on 09/06/2011 5 star rating

After blowing up my vibe subwoofer i purchased this as a replacement, all i can say is even though i am using the vibe box and amp, this sub sounds louder and drops better, well worth the money, thanks guys

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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