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Earthquake SWS-8 (Silver)

Silver, Shallow-Mount 8" Single 4 ohm Subwoofer

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The product on this page is discontinued.

Specials with this product

  • Free Ground Shipping to the 48 statesdetails
  • Silver 8" Shallow Mount 4 Ohm Subwoofer
  • Power Handling:
    • Peak: 300 watts
    • RMS: 150 watts
  • Impedance: Single 4 Ohm
  • Long lasting, UV treated high-roll composite foam surround
  • Fits the factory BMW bolt pattern
  • Perfect replacement for factory upgraded systems
  • Easy 8" door-mount
  • Easy under-seat mount
  • First in-dash mount
  • Excellent for rear-deck mounting
  • 1.5" Voice coil
  • Aluminum bobbin
  • Mounting depth: 2-1/8"
  • Sensitivity: 86.7 dB
  • 1-year SonicElectronix.com warranty
Subwoofer Specifications
Subwoofer Size8"
Peak Power Handling300 watts
RMS Power Handling150 watts
Voice Coil(s)Single
Impedance (Per Voice Coil)4 ohms
Frequency ResponseN/A
Sensitivity86.7 dB
Xmax (millimeters)23 mm
Subwoofer DesignN/A
Main Cone ColorN/A
Woofer CompositionN/A
Woofer SurroundUV Treated Foam
Subwoofer GrilleN/A
Re-Cone Kit AvailableN/A
Recommended Enclosure Specifications
Recommended Enclosure TypeSealed
Minimum Sealed Box Volume0.19 cubic feet
Maximum Sealed Box Volume0.60 cubic feet
Minimum Ported Box VolumeN/A
Maximum Ported Box VolumeN/A
Top-Mount Depth2-1/8"
Cutout Diameter8-1/8"
Shallow Mount InstallationN/A
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Speaker Wire
Choose from our recommended speaker wire to hook up your amplifier to your new subwoofer. The higher quality of speaker wire that it used for this connection, the better your subwoofer will sound.
 ProductPriceAdd?
15 ft. of 12 AWG StreetWires Speaker Wire15 ft. of 12 AWG StreetWires Speaker Wire
This SuperCable from StreetWires is a noise free link between your amplifier and your subwoofer.
$19.99
20 ft. of 12 AWG Kicker Speaker Wire20 ft. of 12 AWG Kicker Speaker Wire
Kicker uses twisted pair technology and hyper-flex cable to provide you with the cleanest sound and a simple installation.
$24.49
Sound Dampening Material
Get the most sound out of your new subwoofer with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
 ProductPriceAdd?
Dynamat Rubber RollerDynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat!
$18.99
Dynamat Xtreme Trunk KitDynamat Xtreme Trunk Kit
Get better sounding bass from your new subwoofer with enough Dynamat Extreme for your entire trunk.
$94.99
Enclosure Accessories
These accessories are designed to help you build the custom enclosure that you have always wanted, or add to the box that you already bought. Either way, these products can assist you in achieving better sound, better looks, and more bass!
 ProductPriceAdd?
20 oz. Bag of Poly-Fil20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system.
$5.99
16 oz. Can of Adhesive Spray16 oz. Can of Adhesive Spray
Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.
$5.99
Spring Post Terminal CupSpring Post Terminal Cup
Makes adding a spring post terminal to an enclosure simple! Banana clip ready!
$2.99
Binding Post Terminal CupBinding Post Terminal Cup
Use this to easily install a binding post terminal to your subwoofer enclosure.
$2.99
Banana Clip TerminalsBanana Clip Terminals
These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.
$4.99
System Optimization and Tuning
Use these items to assist in testing and tuning your new car audio system to perfection!
 ProductPriceAdd?
AutoSound 2000 CD-101AutoSound 2000 CD-101
Low frequency test CD
$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99
Related products
Earthquake SWS-8X
Black 8" Shallow Mount Subwoofer • 4 Ohm • 300 Watts Peak • 150 Watts RMS • UV Treated High-Roll Composite Foam Surround • Easy Slim Mounting • Perfect Replacement for Factory Upgraded Systems
Earthquake SWS-8XI
8" Shallow Mount Subwoofer • 2 Ohm • 300 Watts Max • 150 Watts RMS • UV Treated High-Roll Composite Foam Surround • Fits the Factory BMW Bolt Pattern • Excellent for Rear-Deck Mounting

For more information on wiring subwoofers, visit our Subwoofer Wiring Guide: Subwoofer Wiring Guide

Product Summary

Manufacturer: Earthquake Sound
Model number: SWS-8
Weight: 9.00 lbs
Internal SKU: sws8
Internal product ID: 18034
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Customer Testimonial

What a great site. I tried to buy and have a new head unit installed from some of the local car audio shops and none of them could provide me with the unit that I wanted. Sonic not only had it, they also had the best price. Thanks for such a Great website with fast delivery.

- Jesse from Houston, TX

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