Boss Audio Armor AR12D 12" 2400 Watt Car Subwoofer With Vented Sub Enclosure Box Boss ARMOR AR12D Subwoofer. Peak Power Output: 2400 Watts. RMS Power Output: 1200 Watts @ 4 Ohms. 12 Inch Diameter. 4 Ohm Impedance. Dual Voice Coil Structure. Kapton Voice Coil Material. 2" Inch Voice Coil. Chrome Treated Poly Injection Cone. Butyl Rubber Surround Material. Frequency Response: 28 to 1500 Hz. Free Air Resonance (FS): 28 Hz. Mounting Depth: 5.18" Single 12" Vented Subwoofer Enclosure. 3/4" USA Heavy Duty MDF Construction. Machine precision cut mounting holes. Top of the line Glue for extra durable adhesion. High quality GOLD spring loaded terminals. Designed, tested, and engineered to work with most of todays popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system. Type of Enclosure: Vented. Enclosure Sub Size: Single 12". Dimensions in Inches: 16.0" L x 18.0" W x 13.25 H". Top and Bottom Depth: 16.0". Mounting Depth: up to 14.75" (enough depth for any sub on the market). Tuning Frequency: 42 Hz. Gross Volume Per Sub (Measurement for the outer dimensions of the box): 1.50 Cubic Feet. Net Volume Per Sub (Measurement for the outer dimensions of the box less the thickness of the wood and port): 1.22 Cubic Feet 10 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal). 12 Feet of 14 AWG Blue Speaker Wire. 2 Spade Terminals The drywall wood screws were hand selected by our installation experts because they drill into the enclosure very cleanly, without chipping the enclosure. The speaker wire is 14 gauge. This is way better than using 16 gauge. You can be 100 % sure that your enclosure will have a clean signal to the amplifier with this top of the line speaker wire.