Please wait...
Please wait...
Our website uses cookies so that you can place orders and we can provide a better service. Continue to use the site as normal if you're happy with this, or find out how to manage cookies.
Please wait...
In Phase Car Audio SPX17C - Professional 17cm 160W 2-way Component SPX17C
£139.99 Save £110.00  was:£249.99
Click to Close

Fit it Yourself?

Everything you need to fit it yourself at home

Only £30.00 

With Steering Wheel Control
Only £50.00 

5 Stars (6)

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

Save: £110.00 (44%)  rrp: £249.99
5 Stars
6 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: £110.00 (44%)
rrp: £249.99
Only 1 Left!
Buy Now

Finance Available
On Orders Over £300

  • COVID-19 We are open online & shipping orders during the COVID-19 pandemic
  • Free Car Air Freshener with every order Free Car Air Freshener with every order
  • Next Day Delivery available on all orders before 5pm Next Day Delivery available on all orders before 5pm
  • Easy Returns Easy Returns

Click image to zoom

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
Related Accessories
Please wait...
Customer reviews

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.

Taz on 27/01/2020 5 star rating

I listened to the R Type speakers at an audio show, I was very impressed. When I called these guys, they recommended these instead. So I bought them, fitted them 3 days later and I am shocked These sound so much better and are 50 quid cheaper. Silly discount there!

View all reviews

Write a review
Review Title: 

How many would you give this product?

Newsletter sign up

Questions/Answers About This Product
  • 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 

  • Question: 09 March 2021
    Car: Vauxhall Astra - 2007>

    Astra H mk5 Twintop will they fit straight in place of my front speaker's

    These In Phase Speaker sound Amazing and yes they will fit into your Vauxhall Astra but you need a Connects 2 Speaker adaptors and some sound deadening to get the best out of them.

    CT25VX06 speaker Adaptors
    DQoneP1.8 Premium 1.8mm Advanced Foiled Sound Deadening Single Sheet

    Found Useful? Yes 

  • View All
Got a Question about this Product?

The email address is required to email you when your question has been answered

Car Make
Car Model

chars left

Newsletter sign up

N.B. Questions are answered during office hours
Please don't put sensitive info in the question.

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