BMW 3, 5 Series X1 X3 X5 4" 10cm Front Door 2-Way Coaxial Speaker Upgrade Kit

Product Code
In Stock
Estimated Delivery
Next Day Available
Next Working day delivery are sent by DPD Courier company for main land UK deliveries which is normally next working day (which does not include Saturday/Sunday or Bank Holidays).

Orders need to be placed before 3pm to qualify for next working day delivery. We also offer a 2 workding day service by Royal Mail (Priced at £4.95) as well.

Northern Island, the Isles and some Scottish postcodes are charged more and delivery could take longer.
World Wide
Collect In Store
Please call us to check the availability of the item you wish to purchase as some items are directly shipped from our warehouse and not available for collection instore.

Please bring a printout of the item required.
Free Delivery service is for Main Land UK only

We use Royal Mail 48 class post which normally takes 2-3 days to arrive but sometimes can take longer.

We also offer a Royal Mail Tracked 2 Days service for £4.95 or a Next working day service for £8.99.

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Package Includes:

  • JVC CS-J420X 4inch 10cm 210W 2 way Coaxial Car Speakers
  • CT25BM08 Front or Rear Door Speaker Adaptor

Compatible with following vehicles:

Car Make / Model Year Remarks
BMW 3 Series 2006 Onwards E90 Models
BMW 5 Series 2006 Onwards E60 Models
BMW X1 2009 Onwards E84 Model
BMW X3 2007 Onwards (Facelift)
BMW X5 2006 Onwards E70 Model

Speaker Adaptor kits allow aftermarket standard size speakers to be fitted into the original apertures of your car audio system.

JVC CS-J420X 4inch 10cm 210W 2 way Coaxial Car Speakers

JVC CS-J420X Features:

  • 2-Way Coaxial
  • 210W Peak/21W RMS Power
  • Frequency Response: 45 - 22,000Hz
  • Sound Pressure Level: 90dB/W.m
  • Mica Cone Woofer
  • Poly-Ether Imide Balanced Tweeter
  • Ferrite Magnet (Woofer)
  • Neodymium Magnet (Tweeter)
  • Hybrid Surround
  • Mounting Depth: 43.1 mm (1-23/32'')


  • Size: 10 cm (4'')
  • Type: Dual Cone
  • Material: Mica Cone
  • Surround : Hybrid Surround (Rubber & Cloth)
  • Magnet : Ferrite Magnet


  • Size : 2.5 cm (1'')
  • Material : Poly-Ether Imide Balanced


  • Frequency Response: 45 - 22,000Hz
  • Power Handling Capacity (RMS power): 21W
  • Power Handling Capacity (Peak power) : 210W
  • Impedance : 4 ohms
  • Sound Pressure Level: 90dB/W.m
  • Weight
  • Weight (w/o Grille) : 0.23kg (0.51lbs)
  • Magnet Mass: 74g (2.6oz)
  • Mounting Depth: 43.1 mm (1-23/32'')

We always recommends that you have your installation carried out by a qualified installer. Our experienced technical staff can take care of all kind of car audio upgrade jobs.

  • Car Stereo 
  • Multimedia Audio Visual (Sat/Navs, Headrest Screens, Roof Screens etc.)
  • Speakers/ Subwoofers / Amplifiers
  • OEM Adaptors Installation (DAB, iPod, iPhone, USB, Bluetooth, Aux)
  • Bluetooth Car Kit Installation
  • Car Security Alarms
  • Vehicle Tracking Systems
  • Reversing Camera / Parking Sensors

To book your installation Call now at: 020 8875 2525 or Email Us