Amazon.com: Dayton Audio ND105-4 4" Aluminum Cone Midbass Neo Driver 4 Ohm : Electronics
Amazon.com: Dayton Audio DC130B-4 5-1/4" Classic Woofer Speaker : Electronics
Amazon.com: Car Vehicle Subwoofer Audio Speaker - 12 Inch 1200 Watt Power Ultra Slim DVC Subwoofer w/ Dual 2.5” Kapton Voice Coil, 4 Ohm Impedance, 75 Oz Magnet - for Vehicle Stereo Sound System - Pyle PLWCH12D : Electronics
Amazon.com: Sundown Audio E-8 V.5 D4 8" 300W RMS Dual 4-Ohm E-V.5 Series Subwoofer : Electronics
Amazon.com: Massive Audio SUMMOXL154-15 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 15" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Goldwood Sound GW-204/8S Shielded 4"" Woofer 70 Watt 8ohm Replacement Speaker,Black" : Musical Instruments
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) : Musical Instruments
Amazon.com: Pyle Car Vehicle Subwoofer Audio Speaker - 10 Inch Blue Injection Molded Cone, Blue Chrome-Plated Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 1000W Power For Vehicle Stereo Sound System PLBW104 :
Amazon.com: GRS 4PF-8 4" Paper Cone Foam Surround Woofer : Electronics
Amazon.com: Goldwood Sound, Inc. Stage Subwoofer, Poly Cone 5.25" Woofers 130 Watts each 4ohm Replacement 2 Speaker Set (GW-S525/4-2) : Musical Instruments
Amazon.com: Echo Sub - Powerful subwoofer for your Echo - requires compatible Echo device : Amazon Devices & Accessories
CT Sounds MESO-8-D4 1600 Watts Max 8 Inch Car Subwoofer Dual 4 Ohm
Amazon.com: American Bass 10" Competition Car Subwoofer, 3000 Watt Maximum Power, Bass Surround Speaker, Car Audio Stereo Subwoofer - 10 inch, Dual 4 Ohm Voice Coil : Electronics
Amazon.com: Big Jeff 10" Subwoofer 4000W 4 Ohm DVC Pro Car Audio Bass Massive HIPPOXL104 : Electronics
Amazon.com: Massive Audio SUMMOXL104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Powerbass S-1204D 12" Dual 4 Ω Subwoofer 600W Max (S1204D)
Amazon.com: Sound Town 18” 1000W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-18500A) : Musical Instruments
Rockville 1500w 15" Raw DJ Subwoofer 4 Ohm Sub Woofer 70OZ Magnet, 15 inch (RVW1500P4)
Amazon.com: NVX NSW124V2 350 watt RMS Dual 4-Ohm 12 inch Professional Grade N-Series V2 Car Subwoofer : Electronics
Amazon.com: CT Sounds OZONE-10-D4 1600 Watts Car Subwoofer Dual 4 Ohm : Electronics
Amazon.com: Gravity Audio 1200W Professional 12" Power Car Subwoofer 4 OHM IMPED Dual Voice Coil GR-12PW : Electronics
Amazon.com: AudioPipe TXX-BDC4-12 Dual 4 Ohm 12 inch 2,200 W Car Speaker Subwoofer, Black (4 Pack) : Electronics
Amazon.com: American Bass 10" 1600 Watts 3" Dual 4 Ohm Voice Coil Subwoofer Titan 1044 : Electronics
