Amazon.com: MB Quart DS1-204 Discus Shallow Mount Subwoofer (Black) – 8 Inch Subwoofer, 400 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
Amazon.com : Sound Storm Laboratories LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space,
Amazon.com: JBL 8" Amplified Ported Subwoofer Enclosure with Sub Level Control : Electronics
Amazon.com: Lanzar 8in Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Stamped Steel Basket, 4 Ohm Impedance, 600 Watt Power and Rubber Suspension for Vehicle Audio Stereo Sound System - MAX8 (1 pack) : Electronics
Amazon.com: CT Sounds MESO-8-D4 1600 Watts Max 8 Inch Car Subwoofer Dual 4 Ohm
Amazon.com: Sound Town 8" Raw Woofer Speaker, 120 Watts Pro Audio PA DJ Replacement Low Frequency Driver (STLF-830) : Musical Instruments
Amazon.com: Seismic Audio - 18" Raw Subwoofers/Woofers/Speakers - PA DJ Pro Audio Replacement Sub - 750 Watts RMS - 240 oz Magnet - 8 Ohms - 4" Voice Coil : Musical Instruments
Amazon.com: REL Acoustics T/7x Subwoofer, 8 inch Front-Firing Driver, Arrow™ Wireless Port, High Gloss Black : Electronics
Amazon.com: Skar Audio SDR-8 D4 8" 700 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: Lanzar 8 inch Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Aluminum Voice Coil, 4 Ohm Impedance, 800 Watt Power and Foam Edge Suspension for Vehicle Audio Stereo Sound System - MAXP84 : Electronics
Amazon.com: Alphasonik NSW408 Neuron 400 Series 8 Inch 750 Watts Max / 250 Watts RMS Dual 4 Ohm Car Subwoofer w/High-Grade Magnet Non Pressed Paper. : Electronics
Amazon.com: Planet Audio AC8D 8 Inch Car Subwoofer - 1200 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually : Electronics
Amazon.com: DS18 SLC-8S Subwoofer in Black - 8-Inch Speaker, 400W Max Power, 200W RMS Power, Aluminum 4 Layer Voice Coil, Black Steel Frame, SVC, 4 Ohm Impedance, Ferrite Magnet (1 Speaker) (SLC8S) : 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: BESTISAN 100-Watt Powered Subwoofer - 8 Inch Speaker, Massive Output, Low Distortion, for Studio and Home Theater Systems SW80 : Electronics
Amazon.com: Mackie CR-X Series, 8-Inch Multimedia 200w Subwoofer with Professional Studio-Quality Sound, Bluetooth and Desktop Volume Control (CR8S-XBT) : Musical Instruments