18" Custom Hand Built Subwoofer 5000rms (Team 18) - EM Audio Subwoofers
DB1042 DVC 10" Subwoofer | Car & Marine | Polk Audio
JBL STADIUM122SSI 12" High Performance Automotive Audio Subwoofer with Selectable Impedance - Creative Audio
DB842 DVC 8" Subwoofer | Car & Marine | Polk Audio
Wicked C.A.S. > Audi > Audi - 2002-08 A4 SEDAN 1x10" Enclosure SUB BOX SUBWOOFER ENCLOSURE
Audi Sound System - subwoofer settings? | Audi-Sport.net
Amazon.com: AudioPipe TXX-BDC2-10 10 Inch 1200 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
Audio System X15-1100 12" 550 Watt Dual-4-Ohm Kevlar Car Audio Subwoof - Showtime Electronics
200W RMS, 400W MAX 2-Ohm Impedance 12 Inch / 300mm Subwoofer - DMD122
Dayton Audio RSS390HE-22 15" Reference Series High Excursion Subwoofer 2+2 ohm
Audi RS5 Gets Custom Subwoofer Upgrade for Mechanicsville Client
Alphasonik Venum 800 Series 12" Car Audio Subwoofer | Alphasonik
BOSS Audio Systems P156DVC Phantom Series 15 Inch Car Audio Subwoofer – 2500 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier
BOSS AUDIO SYSTEMS Phantom 12 in. 2300-Watt Max Power Car Audio Subwoofer with DVC Power (6-Pack) 6 x P126DVC - The Home Depot
BOSS Audio Systems P126DVC Phantom Series 12 Inch Car Audio Subwoofer – 2300 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier - Walmart.com