Amazon.com: PyleUsa Single Voice Coil Car Subwoofer - 8 Inches, 200 Watts at 4-Ohm Car Audio Powered Subwoofer, Injection Cone with Rubber Edge, High-Powered Car Subwoofer, Audio - PLMW83 Black : Electronics
Amazon.com: Rockville RVP12W8 1200w 12" Pro Subwoofers 8 Ohm Raw Sub Woofers 40 Oz Magnets : Electronics
Amazon.com: Earthquake Sound i82SWS 8-inch Shallow Woofer System Under-the-Seat Subwoofers with Gaskets, 2-Ohm (Pair) : Electronics
Amazon.com: Theater Solutions SUB8SM Slim Subwoofer (Mahogany), 8-Inch Slim : Everything Else
Amazon.com: BESTISAN 100-Watt Powered Subwoofer - 8 Inch Speaker, Massive Output, Low Distortion, for Studio and Home Theater Systems SW80 : Electronics
Amazon.com: Massive Audio SUMMO84XL - 8 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 8" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: AudioPipe TXX-BDC4-8 8 Inch 1000 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Sub Audio Subwoofer Speaker System, Black : Electronics
Amazon.com: Rockville WHEEL OF BASS 8" Slim Under-Seat Powered Truck/Car Audio Subwoofer Sub : Electronics
Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLBX8A : Electronics
Amazon.com: Rockville RVW1800P8 1800w 18" Raw DJ Subwoofer 8 Ohm Sub Woofer 107OZ Magnet, Black : Electronics
Amazon.com: Dayton Audio RSS210HO-8 8" Reference HO Subwoofer 8 ohm : Electronics
Amazon.com: Skar Audio SDR-3X8D2 2,100 Watt Loaded SDR Series Vented Subwoofer Enclosure, Triple 8" D2 Loaded Enclosure
Amazon.com: DR DOUBLE ROCK 8 inch CB08 Underseat Subwoofer Car Audio 600 Watts 8 '' Slim Powered Subwoofer with Built in Amp Active Compact Subwoofer with Amplified+Bass Volume Control Knob : Electronics
Amazon.com: PreSonus Eris Sub 8 Compact Studio Subwoofer : Musical Instruments
Amazon.com: Black Diamond DIA-8D4 Car Subwoofer 8" 400W Max Power, 200W RMS, Dual 4 Ohms, DVC (1 Speaker) : 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: Memphis MJM822 8" 900W RMS Dual 2-Ohm MOJO Series Subwoofers : Electronics
Amazon.com: BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually : Electronics
Amazon.com: Skar Audio SVR-8 D4 8" 800 Watt Max Power Dual 4 Ohm Car Subwoofer, 8" - Dual 4 Ohm : Electronics
Amazon.com: Dayton Audio RSS265HF-8 10" Reference HF Subwoofer 8 Ohm : Electronics
Amazon.com: Skar Audio AR1X8V Single 8" Universal Fit Armor Coated Ported Subwoofer Box with Kerf Port : Electronics
Amazon.com: Dayton Audio SD215A-88 8" DVC Subwoofer : Electronics
Amazon.com: BOSS Audio Systems CUBE8 Car Subwoofer and Amp Package – Built-in Amplifier, 8 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control : Electronics
Amazon.com: Gravity 1x 8 Inch 1000 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power 8' Sub Single - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance
