Amazon.com: 2 x 12 Subwoofer 1200W 2" 4 Ohm DVC Pro Car Audio American Bass XO-1244 : Electronics
NVX VCW124v3 (VCW124 Version 3) 2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 4-Ohm Car Subwoofer…
Amazon.com: CT Sounds OZONE-10-D4 1600 Watts Car Subwoofer Dual 4 Ohm : Electronics
Amazon.com: Sound Town 15" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement Woofer for PA/DJ Subwoofer, 4-ohm (STLF-1504-4) : Everything Else
Amazon.com: KICKER Comp 12" (30cm) Subwoofer in Down Firing Encl, 4-Ohm; RoHS Compliant : Electronics
Amazon.com: Planet Audio AC10D Anarchy Series 10 Inch Car Subwoofer - 1500 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, for Truck, Boxes, Enclosures, Use with Amplifier : Electronics
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Rockville 1500w 15" Raw DJ Subwoofer 4 Ohm Sub Woofer 70OZ Magnet, 15 inch (RVW1500P4)
Amazon.com: KICKER CWCD104 CompC 10" Subwoofer Dual Voice Coil 4-Ohm : Electronics
Amazon.com: Gravity Warzone WZ12D4 12 Inch 1500 Watt Max Power Elite Car Audio Shallow Subwoofer 4 Ohm DVC - Dual Voice Coil Stereo Competition Grade Sub - 2 Subwoofers : Electronics
Amazon.com: Pyle Car Subwoofer Audio Speaker - 8in Non-Pressed Paper Cone, Black Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 800 Watt Power and Foam Surround for Vehicle Stereo Sound System -
Amazon.com: MTX TN10-04 10-Inch Single 4-OHM Subwoofer 150-Watt RMS : Electronics
Amazon.com: CT Sounds STRATO-10-D4 2500 Watts Max 10 Inch Car Subwoofer Dual 4 Ohm : Everything Else
Amazon.com: E-8 V.5 D4 - Sundown Audio 8" 300W RMS Dual 4-Ohm E-V.5 Series Subwoofer : Electronics
Harmony Audio 2X HA-C124 Car Competition 12" Sub 2200W Dual 4 Ohm Subwoofer New : Electronics - Amazon.com
Dayton Audio DCS165-4 6-1/2" Classic Subwoofer 4 Ohm : Amazon.com.au: Electronics
Amazon.com: Lanzar 10in Car Subwoofer Speaker Non-Pressed Paper Cone, Stamped Plastic Basket, Dual 4 Ohm Impedance for Vehicle Audio Stereo Sound System MAXP104D : Everything Else
Amazon.com: BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo :
Amazon.com: Rockville SBG1154 800 Watt Passive 4-Ohm Pro DJ Subwoofer, MDF/Pole Mount, 15 inch : Musical Instruments
Amazon.com: MTX TN10-04 Audio 10 inch 300 Watt Car Audio 84.9 dB 4 OHM Single Voice Coil Subwoofer (4 Pack) : Electronics
Amazon.com: Rockville RVW1800P4 1800w Raw DJ Subwoofer 4 Ohm Sub Woofer 107OZ Magnet, 18" : Electronics
Amazon.com: KICKER 48CWR104 CompR 10" Subwoofer, DVC, 4-ohm - Includes Speaker Wire : Electronics
