Package: Alpine Type-S SWS-12D4 12" Inch 1500 Watt Subwoofer With Massive Dual 4-Ohm Voice Coils + Atrend E12SV Single 12" Mdf Vented Subwoofer Enclosure + Single Enclosure Wire Kit With 14 Gauge Speaker Wire + Screws + Spade Terminals
Package: Alpine Type-S SWS-12D4 12" Inch 1500 Watt Subwoofer With Massive Dual 4-Ohm Voice Coils + Atrend E12SV Single 12" Mdf Vented Subwoofer Enclosure + Single Enclosure Wire Kit With 14 Gauge Speaker Wire + Screws + Spade TerminalsFeatures:    Alpine Type-S SWS-12D4 12" Subwoofer    Peak Power Output: 1,500 watts    RMS Power Output: 500 Watts    Dual 4-Ohm Voice Coils    Built Like Type-R    Massive Voice Coils    High Strength Steel Frame    Concealed Mount Gasket System    High-Grade Strontium Ferrite Magnets    More Bass In Less Space    Alpine's Patented Airflow Management System Keep it Cool    8 AWG Push Terminals    Kevlar Reinforced Pulp Cone    HAMRS Santoprene Rubber Surround    Frequency Response: 26-200 Hz    Sensitivity: 86.5 dB    Top-Mount Depth: 5-13/16"    Single 12" ported/vented subwoofer enclosure    Dimensions in inches: 16" Width x 14" Height x 17.75" Top depth x 17.75" Bottom Depth    Volume per sub: 1.3 cubic feet     Machine precision cut mounting holes    3/4" heavy Dusty Construction    Multi layers of high-grade glue ensure long life and no air leaking out    High quality spring loaded terminals    Dado end panels    Mounting Depth: up to 17.75" (enough depth for any sub on the market)    Designed, tested, and engineered to work with most of today's popular woofers.  These enclosures are built with the quality additives needed to maximize the performance of any sound system.    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