Amazon.com: MTX RT8PT Audio 8 Inch 240 Watt MAX Loaded Amplified Subwoofer (2 Pack) and Soundstorm AKS8 8 Gauge Car Audio Complete Wiring Kit (2 Pack) : Electronics
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 :