Amazon.com: 2X SoundXtreme ST-412 Premium Elite 12 Inch Car Audio Subwoofer 4000 Watts Max Power for Pair Dual 4 Ohm Voice Coil High Power Bass Surround Sound 12" Sub Speaker System Pair : Electronics
Amazon.com: GRS 8SW-4 8" Poly Cone Subwoofer 4 Ohm : Electronics
Amazon.com: Rockville W12K6D4 V2 12" 2400w Peak Car Audio Subwoofer Dual 4-Ohm Sub 600w RMS CEA Rated : Electronics
Frisby FS-2700B USB Powered 2.1 Ch PC Computer Desktop Notebook Tablet Laptop Woofer Speaker System for Home or Office Consumer - Blue
Amazon.com: Power Acoustik 12" Woofer Dual 4 Ohm 2500W Max : Electronics
Amazon.com: MTX X3-17-FS-L 6-1/2" KickPanel 2017+ CanAM MavX3 : Electronics
Amazon.com: (2) Skar Audio Sdr-10 D2 10" 1200W Max Power Dual 2 Ohm Car Subwoofers, Pair of 2 : Electronics
Amazon.com: Powerbass 2XL-1240D Compact Dual 4-Ohm 12" Subwoofer : 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: Dayton Audio SD215A-88 8" DVC Subwoofer : Electronics
Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X
Amazon.com: Skar Audio EVL-65 D4 6.5" 400 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: Frisby FS-2700 USB Powered 2.1 Ch PC Computer Desktop Notebook Tablet Laptop Woofer Speaker System for Home or Office Consumer : Electronics
Amazon.com: Dayton Audio DCS165-4 6-1/2" Classic Subwoofer 4 Ohm : Electronics
Amazon.com: Deaf Bonce Car Audio 18“ Subwoofer 9000 Watt Dual 1 Ohm VC Apocalypse 4518R-D1 : Electronics
Amazon.com: Focal Sub P 25 FS 10" Shallow 4-ohm Component Subwoofer : Electronics
Amazon.com: Pyramid 6" Car Audio Speaker Subwoofer - 300 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System w/ Molded P.P. Cone, 86 dB, 4Ohm, 40 oz Magnet,1 inch KAPTON Voice
Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X
Amazon.com: Powerbass 2XL-1240DS Dual 4-Ohm 12" Subwoofer : Electronics
Amazon.com: PYLE PLW12BL 12-Inch 800 Watt Subwoofer : Electronics
Frisby FS-2700B USB Powered 2.1 Ch PC Computer Desktop Notebook Tablet Laptop Woofer Speaker System
Amazon.com: Dayton Audio RSS265HF-8 10" Reference HF Subwoofer 8 Ohm : Electronics
