Atrend 12SMV 12 Inch Single Vented Subwoofer Enclosure - Pro Audio Tuned, Nickel Finish Terminals

Bbox Single Vented 12 Inch Subwoofer Enclosure - Pro Audio Tuned Single Vented Car Subwoofer Boxes & Enclosures - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Nickel Finish Terminals

BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals

Scosche LOC2SL Line Output Converter with Remote Control Knob - 2CH High/Low RCA Converter Car Audio - Ideal for Subwoofer Amp - Line Level Converter for Car Stereo - Easy Installation - Quality Sound