Package Includes:(1) MTX 12" Subwoofer Car Audio Sub(1) Rockville Single 12” MDF Vented Square Solo Baric L7/L5/L3 Enclosure Box10 Drywall Wood Screws (Wood screws are the type of screws; the screws areactually made of metal)12 Feet of 14 AWG Blue Speaker Wire2 Spade TerminalsFeatures:MTX S6512-44 12" 1000 Watt Peak/500 Watt RMS Square 4-Ohm Car SubwooferRMS Power Handling: 500 WattsPeak Power Handling: 1000 WattsRecommended Amp Power: 250-500 Watts RMSImpedance: Dual 4-OhmsFrequency Response: 23Hz - 130HzSensitivity: 86.7 dBVolume Displacement: 68.47 cu inVoice Coil: 2" inchesMounting Depth: 6.94" inchesCut Out Diameter: 9.13" inchesPatented Surround Geometry: Surround Allows for Increased Xmax Resulting InHigher SPL and Volume DisplacementProgressive Suspension: Controls Excursion at High Power Reducing DistortionResulting in Better Sound QualitySpider Plateau Venting: Targets Cool Air at Voice Coil for Improved ThermalPerformanceRadial Ribbed T-Yoke: Helps Dissipates Heat and Decreases Distortion ImprovingSound QualityProduct Dimensions: 11.63" x 34" x 12.25" inchesProduct Weight: 31 Lbs.Click here for the Installation GuideFeatures: Rockville RSVK12 Single 12" Vented Square Subwoofer Enclosure Proudly Made In The USA, Using Only The Finest Quality Materials - For The BestLevel of Performance From Your Subs! Factory Matched To Work With 12" Kicker Solo-Baric L7 or L5 or L3, Hifonicssquare woofers, and other square woofers 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 Kicker’s L7, L5, and L3 SquareWoofers as well as many other square woofers on the market! Enclosure Measurements: Type of Enclosure: Vented Enclosure Sub Size: Single 12" Square Dimensions in Inches: 16.0" L x 18.0" W x 13.25 H" Top and Bottom Depth: 16.0" Mounting Depth: up to 14.5" (enough depth for any sub on the market) Tuning Frequency: 38Hz Port Dimensions: 2" x 21" x 12" Gross Volume Per Sub (Measurement for the outer dimensions of the box): 1.50Cubic Feet Net Volume Per Sub (Measurement for the outer dimensions of the box less thethickness of the wood and port): 1.22 Cubic Feet Includes: 10 Drywall Wood Screws (Wood screws are the type of screws; the screws areactually made of metal) 12 Feet of 14 AWG Blue Speaker Wire 2 Spade Terminals This accessory package includes everything you need to install one subwooferinto an enclosure, and wire to connect the enclosure to your amplifier. Thispackage is a top of the line accessory package which we put together and tested. The drywall wood screws were hand selected by our installation experts becausethey drill into the enclosure very cleanly, without chipping the enclosure. Thespeaker 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 thistop of the line speaker wire. These spade terminals have also been hand selectedby our installation experts to make the internal wiring simple, secure, and torun the audio signal cleanly.