JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy
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
Quinn Acoustics Q8S4 8" Car Audio Subwoofer, 250 W RMS 500 W Peak Big – Car Toys
PSI-8 – PSI Car Audio
Pyle Single Voice Coil Car Subwoofer - 8 Inches, 200 Watts at 4-Ohm Car Audio Powered Subwoofer - Walmart.com
Mtx 12 Inch Car Audio Dual Loaded Subwoofer Box, Crunch 2 Channel A/b Class Amplifier, & Soundstorm 8 Gauge Car Amplifier Wiring Kit W/ Rca : Target
EM audio 1000rms Custom 8" Hand Built Subwoofer - EM Audio Subwoofers
ZVX-8 | 8" 1,100 Watt Max Power Car Subwoofer - Skar Audio
BAS8 - 8" 400 Watts RMS Class D Powered Subwoofer in Ported Enclosure,
Alpine S-DB8V-TRK Halo Series 8" ported dual subwoofer enclosure with two 8" S-Series subwoofers at Crutchfield
Amazon.com: Gravity 2X 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
Amazon.com: Rockville RV8.2A 800 Watt Dual 8" Car Subwoofer Enclosure+Mono Amplifier+Amp Kit black : Electronics