DD Audio REDLINE 700 Series Subwoofers | Explicit Customs
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: 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
Rockford Fosgate P300-8P Punch 8" 300-Watt Amplified Subwoofer in Ported Enclosure - Slim Design for Tight Spaces - Black
Amazon.com: 2X Gravity 8 Inch 1000 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power 8' Sub Pair - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance