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🚗 Feel the quake beneath your seat—bass that moves you, not your space!
The Earthquake Sound SWS-8Xi is an 8-inch shallow-mount subwoofer designed for car audio enthusiasts seeking powerful bass in minimal space. With a max power handling of 300W and a slim 2.04-inch mounting depth, it offers a seamless upgrade to factory speakers without sacrificing sound quality or requiring extensive modifications. Engineered with a ribbed polypropylene cone, aluminum voice coil, and a strong ferrite magnet, it delivers articulate, dynamic bass optimized for under-seat installation.
| Additional Features | Shallow Mounting Subwoofer |
| Age Range Description | Adult |
| Antenna Location | For Car Audio |
| Asin | B003R5NS9U |
| Audio Driver Size | 8 inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Best Sellers Rank | #61,108 in Electronics (See Top 100 in Electronics) #210 in Car Component Subwoofers |
| Brand | EARTHQUAKE |
| Built In Media | SWS-8Xi Subwoofer, User Manual |
| Color | black |
| Compatible Devices | Universal |
| Compatible With Vehicle Type | Car |
| Connectivity Protocol | wired |
| Connectivity Technology | Wired |
| Control Method | App |
| Controller Type | Voice Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.0 4.0 out of 5 stars (63) 4.0 out of 5 stars |
| Enclosure Material | Polypropylene, Aluminum |
| Frequency Response | 300 hertz |
| Global Trade Identification Number | 00168975910165 |
| Impedance | 2 ohm |
| Is Waterproof | FALSE |
| Item Dimensions D X W X H | 2.13"D x 8"W x 8"H |
| Manufacturer | EARTHQUAKE |
| Model Name | Shallow Woofer System |
| Model Number | SWS-8Xi |
| Mounting Type | Car Mount |
| Number Of Audio Channels | 2 |
| Number Of Circuits | 1 |
| Number Of Items | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 300 watts |
| Speaker Size | 8 inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | For Car Audio |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 8 inches |
| Tweeter Diameter | 1 inches |
| Unit Count | 1 Count |
| Upc | 168975910165 |
| Warranty Description | Limited Manufacturer Warranty |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 8 inches |
User
Fits BMW G30
Fits BMW G30, I couldnt find any information on it online but to share my experience, it fits perfectly just need to trim a bit of foam off, i just plucked it off easily, oem grille cover fits over it perfectly and the sound is 100% worth it, way better than OEM
User
Pure thumping bliss
I paired these up with the JL Audio xd600/6 crossed at 120 hz and it is pure audio bliss. The bass is thick and rich. Is not club style throbbing bass for EDM, but for rock, funk, disco, soul, it is excellent— tight, articulate and powerful. Everybody who I demonstrate my car audio comments on how clear and tight it sounds and I get immense enjoyment from listening to it every day.The only thing to be aware of is that as other people have commented, you need to be prepared to creatively make the area on top of the subwoofer provide an inch or so more clearance for the subwoofer to move back-and-forth without hitting the grill. I accomplished this by putting a piece of wood as a spacer on the two sides of each subwoofer and then getting extra long 2 inch screws to screw the grill back in. It is completely not noticeable after closing everything up because this area ends up being entirely under the seat.
User
work great with factory hifi amp and easy to install
Subs overall sound great with the HiFi system in my 328i how ever the push terminals are trash. very loose and causes the sub to cut in and out. hoping the company will send me out a new frame with terminals
User
Finally my F34 sounds good
Simply replacing the stock subs in a Hi-Fi system makes a huge difference.Now subbas is present even without adjustments in bass menu.Finally I'm enjoying my car's sound!
User
Adapter Rings
The rings that come with it are made of cheap fiberboard and break really easily. What a waste of time
User
Recommended for those with a BMW
"Almost" a drop-in sub for my BMW. Just had to shave a few items down in order for them to fit. Simple enough though. No real cutting or drilling to make these work. Good Stuff!
User
Great sub to replace stock woofer
Installed this on my bmw i4. Great quality sub. Easy install . Sounds way way better than stock . I can hear some bass in my system. I have the HK system in my car. Can't give this sub enough props!
User
SWS-8XI
This subwoofer sounds great. It has a lot of bass and one would think I have 10 or 12's in the trunk. But with any BMW if you do not have ski pass-through or fold down rear seats you can not hear a sub in the trunk to well. This is the best design under the seat. I have it connected to a JL AUDIO XD4004/4 . Getting the sub enclosure out from under the seat was a pain because the carpet is so thick with sound deadening. You also have to cut some of the inside of the sub enclosure it is plastic and all you really have to is grab it with a pair of pliers and twist it off you do not need a dremel. Her is a link for a PDF of instructions as well as pictures.http://www.e90post.com/forums/showthread.php?t=163804. Also there is sites that have all the wiring but just remember any wire with a brown strip is negative.
User
Worth it
So happy to have made the upgrade, now i can finally feel the bass in my seat. Most definitely worth it.
User
Much better base sound
For increasing base level
Trustpilot
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