NEW (2) 6" / 5 1/4" Super Mini Subwoofers 4 ohm 600w Woofer Speaker Mega Bass | eBay
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 : Amazon.ca: