Audio System R 08 FLAT EVO 2 - 20cm/8 " Flat Subwoofer 175 Watt RMS | eBay
Amazon.com: Alphasonik AS10DF 10" 1200 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure :
Alphasonik ASDF 10" Down Fire Shallow Mount Flat Enclosur | Alphasonik
Lighting Trendz: GROUND ZERO HYDROGEN SERIES FLAT SUBWOOFERS
15" VULKAN SERIES SUBWOOFER 6000WMAX / 3000WRMS – GENIUS AUDIO USA