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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 

Alpine Car Audio Systems SWR-8D4 Type R 1000 watt 8" car subwoofer

5 Stars 5
Quickfind Code - 32413
Quick Summary:

Alpine SWR-8D4 Type-R 1000 Watt 8" Car Subwoofer with dual 4-ohm voice coils

Condition: New

This product has been discontinued

  • Free Car Air Freshener with every order Free Car Air Freshener with every order
  • Easy ReturnsEasy Returns
  • Next Day Delivery available on all orders before 5pm Next Day Delivery available on all orders before 5pm

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

Key Features

Type R 1000 watt 8" car subwoofer - Alpine Car Audio Systems SWR-8D4

Untitled Document


  • Alpine SWR-8D4 Type-R 1000 Watt 8' Car Subwoofer with dual 4-ohm voice coils
  • 1000 Watts Peak Power / 350 Watts RMS
  • 4-Layer DVC Winding on Spiral Cut
  • Reinforced Parabolic Cone Structure with Poly-Mica Dust Cap & Pulp-Kevlar Cone Body
  • High Altitude Multi Roll Santoprene rubber surround
  • Progressive Conex® Spider with Reinforced Layer Tinsel Leads
  • 38mm High Temperature Voice Coil
  • Cast Aluminum Frame With Perimeter Vented Heat Transfer
  • Heavy Duty 8 gauge Spring Post Terminals For Pin connection or Single Banana Plugs


  • CEA-2031 Power Rating: 350 W RMS
  • Power Range: 150 W-350 W RMS
  • RMS Power Handling: 350 W RMS
  • Peak Power Handling: 1000 W PEAK
  • Mounting Depth: 4-1/2'
  • Mounting Diameter: 6-15/16'
  • Displacement: -0.050 ft3
  • Added Volume: +0.035 ft3
  • Top-mount depth: 4-1/2'
  • Sealed box volume: 0.15-0.50 cu. ft.
  • Vented box volume: 0.25-0.70 cu. ft.
  • Frequency Response: 30 Hz-200 Hz
  • Sensitivity: 83.5 dB

Download image of Alpine Car Audio Systems SWR-8D4 Click here for Image of Alpine Car Audio Systems SWR-8D4
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Questions/Answers About This Product
  • Question: 03 February 2021
    Car: Fiat 500 - 2007>

    Looking to replace the speaker in the under seat sub box. Is there a CAD diagram availble you could e-mail me so I can figure if it will fit.


    Sadly, we do not have such diagrams at the mail order centre

    Found Useful? Yes 

  • Question: 02 December 2017
    Car: Renault Clio - 2000 >

    Can i run 2 Type R 1000 watt 8" car subwoofer - Alpine SWR-8D4 on a alpine v power mrp-m350 amp


    YOu amplifier is not powerful enough to run two subwoofers. You will need to upgrade your amplifier. see few suggestions listed below.

    IPA2001D 2000 Watts RMS Monoblock amplifier
    GM-D9601 Mono Block 2400watts Class D amplifier 2400watts

    Found Useful? Yes 

  • Question: 08 March 2015
    Car: BMW 3 Series (E46) - 1999-2005 (E46)

    Can I use the alpine Mrx-m55 mono amp on this sub if not can you tell me what alpine amp or any other make amp I can use many thanks

    hi there yes this amp is perfectly fine to run this alpine type r sub, you would just have to make sure you wire the amp and sub up in correct ohms for each other.

    Found Useful? Yes 

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