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, One Size

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

Pyle Car Vehicle Subwoofer Audio Speaker - 10 Inch Blue Injection Molded Cone, Blue Chrome-Plated Steel Basket, Dual Voice Coil 4 Ohm Impedance, 1000W Power, for Vehicle Stereo Sound System - PL1090BL

Car Vehicle Subwoofer Audio Speaker - 8 Inch Blue Injection Molded Cone, Blue Chrome-Plated Steel Basket, Dual Voice Coil 4 Ohm Impedance, 600 Watt Power, for Vehicle Stereo Sound System - Pyle PLBW84

8” Slim Marine Subwoofer - 300W 4 Ohm Waterproof Car Component Speaker System, Low Profile PP Cone w/Rubber Edge, 30 Oz Magnet 1.5" Voice Coil, for Custom Audio Boat Truck Mobile Vehicle (Black)

Pyle 8'' Slim Subwoofer Box System - 400 Watts, Perfect for Mount Car Truck Audio Powered Subwoofer Enclosure, High Powered 8-inch Woofers with a Non-Pressed Paper Cone - PSBS8, Black, One Size

Pyle 6.5" Three-Way Sound Speaker System - 180 W RMS/360W Power Handling w/ 4 Ohm Impedance and 3/4'' Piezo Tweeter for Car Component Stereo, Round Shaped Pro Full Range Triaxial Loud Audio - PL63BL

3" Mini Cube Bookshelf Speakers - 100W Small Bookshelf Speakers w/ 3" Paper Cone Driver, 8 Ohm - Passive Audio Book Shelf Speaker Pair For Home Theater Stereo Surround Sound - Pyle Home PCB3BK (Black)