MTX RTP8A 8" 120w RMS Powered Subwoofer In Vented Sub Box Enclosure+Wire Kit - Walmart.com
Mtx 12" 400 Watt Rms Dual Loaded 1200 Watt Car Subwoofer Enclosure Audio With Sub Box, Mono Block & 8-gauge Amplifier Complete Wiring Installation Kit : Target
MTX Audio Terminator Series TNE212D 1,200-Watt Dual 12-Inch Sub Enclosure - Newegg.com
MTX AUDIO MTX AUDIO RT8PT 8 in. 240-Watt Car Loaded Subwoofer Enclosure Amplified Tube Box Vented RT8PT - The Home Depot
Amazon.com: MTX TN8MS Terminator 8 Inch Micro Compact Amplified Subwoofer Enclosure for Small Vehicles with Class A/B Amplifier, Variable Bass Boost, External Bass Control, and Smart Engage Auto Turn On Circuitry :