Amazon.com: Rockville RVB10.1A 10 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box, Black : Electronics
Sony Core Series 10" 115W Active Subwoofer Black SACS9 - Best Buy
Hertz CBA 250 active subwoofer box
dBTechnologies SUB-15H Horn-loaded Active Subwoofer – Sonic Circus
Single 8 Inch 2 Ohm 250W RMS, 500W MAX Power Handling Active Subwoofer Enclosure - DESMB8A - Diamond Audio
Z 160W 10'' Active Subwoofer - Phoenix Gold
Taramps 8" 400 watts Loaded subwoofer enclosure - Taramps Store
8" Active Amplified sub built in Amp Under Seat Subwoofer Enclosed Bass Box | eBay
Active Subwoofer Box | Audio-Video Systems | Audio-Video, Entertainment Systems | Entertainment and communication Systems | Auto Parts & Accessories | CENS.com
WET SOUNDS STEALTH AS-10 LOADED BOX WITH 10” ACTIVE SUBWOOFER SYSTEM - EAI - Pascagoula
Car Audio Slim Active Subwoofer – Pyle USA
Amazon.com: RECOIL SWS12 12 inch 600W Slim Active Ported Subwoofer Enclosure with Installation Wiring Kits and Line Output Converter/Line Driver : Electronics
Z 160W 12'' Active Subwoofer - Phoenix Gold
Nakamichi 10" Subwoofer Loaded Enclosure Powered Sub Bass System Activ – Robidoux Inc
Z Series 8" 150 Watt (RMS) Slim Active Bass Enclosure – Stinger Off-Road – Jeep Audio And Electronics