B2 Audio RAMPAGE Competition Series 6.5" 1000 Watt RMS Carbon Fiber Dual 2-Ohm 2" Voice Coil Subwoofer

Alpine S2-DB8V-TRK Halo Series 8" Ported Dual Subwoofer Enclosure With Two 8" S-Series Subwoofers

Focal SUB 25 KXE K2 Power Series 10" Dual 4-Ohm Voice Coil Component Subwoofer

QSC ADP-P.SUB 6-1/2" Commercial Pendant Subwoofer - Black

American Bass Hawk1244 Competition 12" Woofer 3000 Watt 4 Ohm DVC

KICKER Comprt 8"(20Cm) Subwoofer, DVC, 2-Ohm, Rohs Compliant

American Bass VFLCOMP-1511 10000W Peak (5000W RMS) 15in VFL Competition Series Dual 1-Ohm Subwoofer

American Bass VFLCOMP-1222 10000W Peak (5000W RMS) 12in VFL Competition Series Dual 2-Ohm Subwoofer

2X Gravity 8 Inch 1200 Watt Car Audio Subwoofer W/ 4 Ohm DVC Power 8' Sub Pair - Feature Dual Voice Coil, Thick Magnet, Design For Car, ATV, Van, High Performance Car Show

Rockford Fosgate Punch P3 P3D410 Subwoofer - 10X22 - 8 Ohm

RCF SUB-808-AS Dual Active Subwoofer Speaker, Black

Kicker Compc Car Subwoofer - 10X22

SVS 3000 In-Wall Single Subwoofer System In-Wall Enclosure With Dual Subwoofers And Amplifier

RCF SUB-808-AS Dual Active Subwoofer Speaker, White

JL Audio PES110-TW1-2 Stowaway(Tm) Sealed Downward-Firing Enclosure With One 10TW1-2 2-Ohm Shallow-Mount Subwoofer

DS18 ZR8.2D Elite-Z 8" Car Audio Subwoofer 1000W Watts Dual Voice Coil 2-Ohm DVC 2+2 OHMS (1 Speaker),Black

JL Audio CP208LG-W3v3 Microsub(Tm) Slot-Ported Enclosure With Dual 8" W3v3 Subwoofers

2X 8 Inch Subwoofer 2400 Watts Dual 4 Ohm DVC DS18 Exl-X8.4D, Black

JL Audio PES110-TW1-4 Stowaway(Tm) Sealed Downward-Firing Enclosure With One 10TW1-4 4-Ohm Shallow-Mount Subwoofer