Amazon.com: Skar Audio SDR-8 D4 8" 700 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
BOSS Audio Systems CUBE8 8 Inch Car Audio Subwoofer and Amplifier Package – Powered, Built-in Amplifier, Passive Radiator, Remote Subwoofer Control, For Truck, Boxes and Enclosures - Walmart.com
EM Audio 8" Custom NEO Hand Built Subwoofer (2000watts) - EM Audio Subwoofers
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
BOSS Audio Systems BASS8 8 Inch Under Seat Powered Car Subwoofer – 800 High Output, Low Profile, Built In Amplifier, For Truck, Boxes and Enclosures, Remote Subwoofer Control
OLD SCHOOL ALPINE 6081 8 inches Car Subwoofer 4 ohms STRONTIUM MAGNET JAPAN MADE | eBay
Pyle Plpw8d 8 Inch 800w Peak 4 Layer Dual Voice Coil Car Midrange Woofer Audio Speaker, 4 Ohm W/ 89 Decibel Sensitivity, 40 Oz Magnet, Black : Target
Sundown Audio U 8" inch DVC Dual 2 Ohm (U Series) Car Subwoofer 600 Watts RMS
DS18 ZXi8.4D High Excursion 8" Car Audio Subwoofer 1200W Watts DVC 4-Ohms Quad Stacked Magnets
Pyle Single Voice Coil Car Subwoofer - 8 Inches, 200 Watts at 4-Ohm Car Audio Powered Subwoofer - Walmart.com
Alphasonik AS8DF 8 inch 600 Watts 4-Ohm Down Fire Shallow Mount Flat E | Alphasonik