The Extremely Versatile SWS Subwoofers
The SWS-8X 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.
- Black 8" Shallow Mount 4 Ohm Subwoofer
- Power Handling:
- Peak: 300 watts
- RMS: 150 watts
- Impedance: 4 Ohms
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"
- Xmax: 23.00 mm
- Sensitivity: 86.7 dB
- Authorized Internet Dealer
- 5-year Manufacturer's warranty
Where Should I Install the SWS Subwoofer?
Earthquake SWS subwoofers are designed to be installed in areas with limited space. This makes them ideal for truck cabs and under seats. As noted in the diagram below, these subwoofers are perfect for installing underneath the front seats, under the rear seats, or behind the rear seats.
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Average Customer Rating is 4.4 out of 5 stars:
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Average Attributes Rating:
| Durability | | 4.1 |
| Value | | 4.1 |
| Features | | 4.0 |
| Design | | 4.3 |
| Usability | | 4.9 |
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Most Helpful Customer Reviews:
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Review by
R0ut3r from Montreal, Canada
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Fits nicely in stock box, use JTSherri spacers (find him on BMW forums) to avoid having to make your own. If you properly seal the subwoofer to the box, the sound is very refreshing up from either Logic7/HK or Premium HiFi (M3). No more muddy bass plateau. Use a good amp to drive it, do not attempt to use the stock BMW amp.
I bought an Alpine PDX-F4 on this site as well along with a BMW specific harness (look again in BMW forums) for an easy install and am 100% satisfied.
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Review by
Bobby from Essex, Great Britain
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I bought this for my BMW E90. I replaced my standard underseat woofers with these. They are a great upgrade but if you
Are looking for serious bass then these will probably not be
Enough for you. Run them as mid bass and stick another sub in the trunk. Apart from that these are great
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Review by
John from Livonia, MI
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For the normal listener, these speakers are great. Really, really better than they appear. Nice warm sound with a lot more punch than expected. They fit perfectly into my BMW 335. Those of you looking to help out the piss-poor factory BMW stereo, these speakers are for you. You will not believe the difference in sound quality. These speakers are a pleasant surprise.
I, however, am not the normal listener and melted mine in 6 months. I was running them with a 360 and two Arc Audio KS 900 amps bridged.
Again, for the normal listener, these are great. I am sad that I melted them because they sounded so great (just a little too weak for my bleeding ears).
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Review by
HKSmoker from Hong Kong, Hong Kong
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This is a great compact subwoofer that can be used as a replacement of the BMW under the seat woofer. It is a direct replacement if you can get the spacers. But the Earthquake is the only choice as a direct replacement and there is no other choice in the market.
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Review by
Shawn from Beverly Hills, CA
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Best price for local pickup
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For more information on wiring subwoofers, visit our Subwoofer Wiring Guide:
Subwoofer Wiring Guide
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