QWX4000-10D4 – Quantum Audio
Amazon.com: American Bass USA HD 15D2 4000 Watt Max Dual 2Ohm Subwoofer : Electronics
Amazon.com: Pair of Gravity G3 12 Inch 4000 Watt Package Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics
Massive Audio 12 Inch 4000 Watt Subwoofer Dual 4 Ohm Mega HIPPOXL124 — Big Jeff Online Inc
Amazon.com: Genius G10CX-15D2 15" 4000 Watt Max Competition Series Subwoofer Aluminum Basket 3inch 4 Layers Voice Coil Dual 2 Ohams Impedance : Electronics
DS18 HOOL-X12.4DHE HOOLIGAN 12" High Excursion Car Subwoofer 4000 Watts Rms 4" Dvc 4-Ohm
Pyle 10 in. 4000-Watt Car Subwoofer Audio Power Subs Woofers DVC 4 Ohm Black 4 x PLPW10D - The Home Depot
Deaf Bonce Car Audio 12" Subwoofer 4000 Watt Dual 2 Ohm VC Apocalypse SA302-D2
DS18 HOOL-X15.4DHE HOOLIGAN 15" High Excursion Car Subwoofer 4000 Watt – G2 Dynamics, LLC
DS18 Hooligan X 15" Competition Subwoofer 4000 Watts RMS 1 Ohm - HOOLX15.1DSP | Reverb
Rockville W12K9D4 12" 4000w Car Audio Subwoofer Dual 4-Ohm Sub CEA Compliant
Orion HCCA102 10" Subwoofer 4000 Watt Dual 2 Ohm Voice Coil Bass Compe – Pricedrightsales
EXL-XXB15.2D BLACK FRAME 15" SUBWOOFER 2 OHM 4000 WATTS DVC - Limitless Lithium
SVS PB-4000 Subwoofer | 13.5-inch Driver | 1,200 Watts RMS
Rockville W12K9D2 12" 4000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant | Audio Savings
DS18 EXL-XXB 12" Subwoofer 4000 Watts DVC 2-Ohms audio subwoofers
DS18 EXL-XXB 12" Subwoofer/Speaker 4000 Watts Dvc 2-Ohms – Droppin HZ Car Audio
Car Subwoofer 4000 watts EDGE 15 inch bass car audio loud speakers - EDX15D2-E0 5060661893446 | eBay
DS18 - EXL-XX15.4DHE 15" High Excursion Car Subwoofer 4000 Watts Dvc - 4 ohm - Limitless Lithium
DS18 High Excursion 15" Subwoofer Dual 4 Ohm 4000 Watts Max EXL-XX15.4 – Pricedrightsales
American Bass HD-10, D1 10" Dual 1-Ohm Subwoofer
Blastking PROFILE21 21" 4000 Watts High Output Woofer
DS18 - EXL-XX12.4DHE 12" High Excursion Car Subwoofer 4000 Watts Dvc 4-Ohm - Limitless Lithium
15.4 Inch Subwoofer | 15.4 Inch Car Subwoofer | 4000 Watt Woofer
2) Kicker 44L7S15-4 15" 4000 Watt Solobaric L7S Subwoofers+Amp+Sub Box+Wire Kit - Rockville Audio
SVS SB-4000 Subwoofer | 13.5-inch Driver | 1,200 Watts RMS
