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Earthquake Sound SWS 8XI

300W Peak (150W RMS) 8" Shallow Woofer System (SWS) Series Single 2-Ohm Car Subwoofer

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• 300 Watts Peak
• 150 Watts RMS
• 2 Ohm
• UV Treated High-Roll Composite Foam Surround
• Fits the Factory BMW Bolt Pattern
• Excellent for Rear-Deck Mounting

Learn more about the sws8xi

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Product Highlights


• 300 Watts Peak
• 150 Watts RMS
• 2 Ohm
• UV Treated High-Roll Composite Foam Surround
• Fits the Factory BMW Bolt Pattern
• Excellent for Rear-Deck Mounting

Description


Earthquake Sound brand icon

Authorized dealer



The Extremely Versatile SWS Subwoofers

The SWS-8XI by Earthquake Sound features a mounting depth of 2-1/8". With a depth this small the applications for this woofer are endless. This shallow-woofer-system series subwoofer is perfect for those with limited space but that still want some bass in their car. This woofer is also the perfect replacement for factory upgraded systems, especially BMW vehicles. The woofer features a light weight resistant PVC cone and a long-lasting UV treated high-roll composite foam surround for added rigidity, stiffness, longevity and increase power output and performance. Don't let the size of the woofer fool you into thinking it's not powerful, with an Xmax linear excursion of 23mm this woofer will hit low-frequencies with accuracy and precision for a clean, crisp, and responsive bass reproduction. Although often imitated the SWS's 3 protected U.S patents assure that it's never duplicated. If you have 2.5" of space to spare then there is no other option than the SWS series subwoofer.

Subwoofer Features:

  • 8" Shallow Mount Subwoofer
  • Power Handling:
    • Peak: 300 watts
    • RMS: 150 watts
  • Recommended power range: 50 - 150 watts RMS
  • Impedance: Single 2 Ohm
  • Fits the factory BMW bolt pattern
  • Long lasting, UV treated high-roll composite foam surround
  • Perfect replacement for factory upgraded systems
  • Low profile mount for placement anywhere
  • Inverted style cone design for maximum excursion in shallow mount applications
  • High temperature voice with heat-sink attachment
  • NOMEX/ROMEX spider assembly
  • Aluminum Bobbin
  • 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"
  • Xmax: 23.00 mm
  • Sensitivity: 86.7 dB
  • Protected by 3 U.S. patents
  • Authorized Internet Dealer
  • 5-year Manufacturer's warranty

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Specifications & Details


Subwoofer Specifications
Voice Coil Diameter
1.5"
Impedance (Per Voice Coil)
2 ohm
Voice Coil(s)
Single
RMS Power Handling
150 watts
Peak Power Handling
300 watts
Subwoofer Size
8"
Sensitivity
86.7 dB
Xmax (millimeters)
23 mm
Subwoofer Design
Round / Circle
Re-Cone Kit Available
No
Subwoofer Grille
No
Woofer Surround
UV Treated Foam
Main Cone Color
Black
Series
SWS Series
Electromechanical Parameters
Mechanical Q Value (Qms)
3.987
Electrical Resistance of Voice Coil (Re)
3.500 ohm
Electrical Q Value (Qes)
0.804
Total Speaker Q Value (Qts)
0.669
Equivalent Compliance (Vas)
27.830 liters
Free-Air Resonance (Fs)
30.394 Hz
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SWS-8XI

Weight:

4.50lbs

Internal SKU:

sws8xi

Internal Product ID:

18036

Product and How-to Videos


  • Earthquake SWS Shallow Subwoofers at SEMA 2009
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews


Earthquake Sound SWS 8XI thumbnail image

5 star
60%
4 star
20%
3 star
20%
2 star
0%
1 star
0%



Durability
4
Value
4
Features
4.2
Design
4.4
Usability
4.6

Customer Reviews

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Awesome product!

Great set of subs to fit in your OEM BMW housing. And the 2ohms are great to give it extra boost in case your amp isn't the greatest. Just be sure to get some sort of spacer to make it fit perfectly without any problems.

By Steven on March 30, 2010

36 found this helpful


Good value

I bought these speakers for my BMW E92. They are a direct replacement for the factory fitted ones and they work very well. Great speaker.

By Mr PPN on September 13, 2010

30 found this helpful


Sub for lower watts amp

If you are the listener who prefer deep bass on lower volume this sub is for you. On the higher volumes it is average boom sub.

By Alex on July 25, 2015

27 found this helpful


Good service but not so good product

I live out of the USA so I was not able to return the product, but one of the subwoofers had a damaged wire that we repaired locally.

By lask on April 7, 2011

28 found this helpful


Amazing compact sub

A bit pricey, but sounds great and the size is great for tight spaces

By Mariano on April 26, 2022 Checkmark Icon Verified purchase

15 found this helpful



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