Earthquake SWS Shallow Subwoofers at SEMA 2009 - YouTube
SW Audio | Dumfries
SWS-8X - EarthquakeSound.eu
Earthquake Sound
Sws-10d OEM 10 Inch Shallow Active Subwoofer 200 Watts D Class Amplifier Car Speaker with Silk Ink Logo Aluminum Boom Box Case - China Car Speaker, 10' Active Subwoofer | Made-in-China.com