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In Phase Car Audio SPX17C - Professional 17cm 160W 2-way Component SPX17C
£126.41 Save £123.58  was:£249.99
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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 (7)

In Phase Car Audio SPX17C - Professional 17cm 160W 2-way Component Speaker set

Save: £123.58 (49%)  rrp: £249.99
5 Stars
7 Review(s) / write a review
Quickfind Code - 40113
Quick Summary:

The SPX component speakers from In Phase incorporate a variety of high quality components to ensure you get the optimum listening experience.

Condition: New

Save: £123.58 (49%)
rrp: £249.99
Only 5 Left!
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  • Next Day Delivery available on all orders before 5pm Next Day Delivery available on all orders before 5pm

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Key Features

Professional 17cm 160W 2way Component Speaker set - In Phase Car Audio SPX17C

Perfectly balanced to handle high power amplifiers whilst delivering peak audio performance, the In Phase SPX 17c is the natural choice for the car audio connoisseur. They bring audiophile performance to your car audio system.

Upgrading the sound of your vehicle has never been easier or better than with the SPX17C using Carbon Fibre and silk dome technology.

A stunning design, harnessing carbon fibre, silk dome technology and die cast aluminium, these speakers sound even better than they look, with a peak power rating of 360 watts and an RMS power of 120 watts.

The 6.5” (165mm) speakers are finished with a black metal grille casing, enhancing and complimenting the most stylish car interior, whilst delivering an unforgettable experience for true audiophiles. Upgrade your audio with the SPX 17c - power and performance in perfect harmony.

British Design

All In Phase SPX, XTC and SXT speakers are designed in the UK utilising over 30 years of audio experience to create a sound that is right for you.

Component Design

Component speakers offer higher quality sound than their coaxial counterparts. The tweeter mounted to the dash or A-pillar allows higher end frequencies (high notes) to be distributed out

Carbon Fibre Cone, Butyl Rubber surround and Die Cast Aluminium Chassis

Carbon Fibre is a high mechanical strength fibre which has many applications. Used in car bodies, speakers, wheels, this material will offer endurance as well as high end performance for a speaker. The chassis is built for endurance, the construction of this speaker holds well and lets the speakers reach performance levels above the rest.

High Power

These speakers allow up to 360W Watts Peak to each speaker and 120W RMS power. Which is ridiculous for the application, but this kit isn't built for the amateur audio fan.

We also would recommend fabricating some MDF baffles instead of plastic trims to fit the speaker in. This is due to how much power, vibration and weight of these speakers. The MDF will also absorb and distribute the sound-waves and vibrations properly so you will have a distortion and rattle free experience. 

These Car Audio Speakers Come in Pairs

Download image of In Phase Car Audio SPX17C Click here for Image of In Phase Car Audio SPX17C
Technical Specification
  • Nominal power - 120W
  • Maximum power - 360W
  • Sensitivity (2,83V/1m) - 90dB
  • Cone - Carbon Fibre
  • Tweeter - silk cone
  • Nom. Impedance - 4oHm
  • Frequency response - 45Hz - 20kHz
  • Surround - Rubber
  • DC resistance 2.8 oHm
  • VC Diameter - 38.5mm / 1.5"
  • VC Height - 17mm
  • Mounting depth- 85mm
  • Crossover - 12db/oct
  • Former - Kapton
  • Layers - 2
  • Wire - EICCAW
  • Rdc - 2.8 oHm
  • Fs - 55Hz
  • Mms - 15.8g
  • Cms - 0.48mm/N
  • Vas - 13.1L
  • Qts - 0.3
  • Qes - 0.34
  • Qms - 2.1
  • BL - 6.8TM
  • Sd - 138.9cm2
  • SPL - 90.6dB
  • Xmax - 4.5mm
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Customer reviews

Superb Upgrade
Steve on 08/02/2022 5 star rating

Bought these to upgrade the standard door speakers on my VW T5. The head unit had already been upgraded to a Pioneer which is fine for now. CAC recommended the InPhase IPA601 2 channel amp for these so bought that as well. What can I say, for less than £200 a brilliant upgrade, awesome sound and a lot of power! You'd be hard pushed to do better for that money.

Very good speakers. BIG MOUNTING DEPTH
Michael on 09/09/2020 4 star rating

These speakers are wicked for audio quality and bass. The only downside is the big mounting depth. But then again, it does have a big magnet

Best speakers so far
Jacob on 12/05/2020 5 star rating

These are very impressive, amazing build quality. Speakers are big so needed to take time fitting them. Once did these speakers are so impressive. The bass is awesome, mid so clear and precise and the terrible is crisp and sharp not harsh. I'm yet to buy the amp to run them. So far very happy. Next month amp.

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Questions/Answers About This Product
  • Question: 20 July 2021
    Car: Vauxhall Corsa - 2007>

    Hi will these fit in a 09 plate corsa? Would be running them off a alpine UTE204 head unit. Wasn't planning on amping them but will add a sub in time.




    Yes these should fit fine, but you will require the following parts to fit it, also for better sound experience you can use sound deadening sheets as well.

    You must select the brand name from the dropdown for the correct patch lead.

    CT24VX24 Single Din Facia
    DQoneP1.8 Premium 1.8mm Advanced Foiled Sound Deadening Single Sheet
    CT20VX04 ISO Adaptor
    CT25VX06 speaker Adaptors
    CTVXUSB Aux Input Adaptor

    Found Useful? Yes 

  • Question: 30 May 2021
    Car: Vauxhall Vectra - 2004>

    I have db audio 6.2 in my rear doors and really like them. Could you please tell me how these compare to them?




    In what way? Bass, sound quality, power?

    Found Useful? Yes 

  • Question: 15 April 2021
    Car: Kia Ceed - 2010>

    Hi, what is the weight of this speaker


    Please contact your local store.

    Found Useful? Yes 

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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:

120 - 122 Alfreton Road, Nottingham, Nottinghamshire, NG7 3NR
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