Amazon.com: Alphasonik AS8DF 8 inch 600 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 :
Boss 10 Inch 800w Shallow Slim Car Audio Subwoofer Power Sub Woofer Flat D10f : Target
Amazon.com: Alphasonik AS12DF 12" 1500 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 :
Shallow Series Subwoofer | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier
OEM 10' -12' -800/1000 Watts - Flat Shallow Mount Subwoofer - China Subwoofer, Car Subwoofer | Made-in-China.com
BOSS D10F 10 3200W Car Slim/Flat Audio Subwoofers Subs Shallow Woofers, 1 Piece - Pick 'n Save
150 Watts RMS | 20 cm | GZRW 8FL - Ground Zero Audio
Amazon.com: Facmogu 2PCS 8 Inch Full Range Audio Speakers, RMS 50W Peak 120W 4 Ohm, Car Vehicle Audio Full Range Drivers, Wide Range Bass Woofer DIY Loudspeaker Replacement - Yellow : Electronics
Nakamichi NBF08A 8" subwoofer flat with passive radiator
FOR Car 12" 1500W Car Truck Loaded Subwoofer Bass box fits most cars NEW MODEL | eBay
Blaupunkt GTHS131 200W 8" Bass Boost Super Flat Active Car Subwoofer Enclosure | eBay