Amazon.com: Harmony Audio HA-ML182 Monolith 18" Car Stereo Competition SPL Sub 3500W Dual 2 Ohm Subwoofer : Electronics
Amazon.com: AudioPipe TXX-BDC4-12D2 12 Inch 2,200 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black (2 Pack) : Electronics
Amazon.com: AudioPipe TXX-BDC1-10 10in Single Magnet 800 Watt Dual 4 Ohm Impedance Car Audio Subwoofer w/ 38 to 1,000 Hz Frequency Response & 8 AWG Screw Terminal : Electronics
Amazon.com: Massive Audio HIPPOXL122R – 12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 3000 Watt RMS, 6000w MAX Dual 2 Ohm, 4 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Rockville WHEEL OF BASS 8" Slim Under-Seat Powered Truck/Car Audio Subwoofer Sub : Electronics
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
DS18 SLC12S Car Subwoofer Audio Speaker - 12" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 500W MAX Power and Foam Surround for Vehicle Stereo Sound System
Amazon.com: BELVA BPKG Series Car Subwoofer with Ported Enclosure, Monoblock Amplifier, Wiring Kit and Remote Bass Knob (1000W Dual 10") : Electronics
Amazon.com: Skar Audio Dual 12" Complete 2,400 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure with Amplifier : Electronics
Pyramid 10 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 2 Inch High-Temperature Kapton Voice Coil, 85.6 dB, 8 Ohm, 60 oz Magnet - Pyramid PW1048USX
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