Package: (2) Pioneer Champion TS-W309S4 12" 2800 Watt Peak / 800 Watt RMS 4 Ohm Car Stereo Subwoofers + Dual 12" MDF Vented Subwoofer Enclosure + Dual Sub Box Enclosure Kit With 14 Gauge Speaker Wire + Screws + Spade TerminalsFeatures: * Pioneer TS-W309S4 12" 1400 Watts * Size: 12 inches * Peak Power: 1400 Watts * RMS Power: 400 Watts * Impedance: 4 ohm * Seamless Injection Molded Polypropylene (IMPP) composite cone * Dual layer, fiber reinforced elastic polymer surround * Large spring loaded, push style binding posts * High temperature voice coil * Large double stacked high energy magnets * Designed for sealed, ported, or bandpass enclosures * Frequency response: 20 - 220 Hz * Lowest resonance frequency: 40 Hz * Sensitivity (1W/1m): 94 dB * Woofer size: 30 cm * Voice Coil bobbin type: Aluminum, diam.2 inch (48mm) * Pole Yoke Type: Extended and Vented pole yoke * Push-type Terminals * Recommended sealed enclosure: 24,1 - 49,5 litres * Cut-out Hole: 283 mm mm * Mounting Depth: 153,1 mm mm * Dual 12" ported/vented subwoofer enclosure * Dimensions in inches: 30.25" Width x 13.75" Height x 17.75" Top depth x 17.75" Bottom Depth * Volume per sub: 1.55 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. * 20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal) * 20 Feet of 14 AWG Blue Speaker Wire * 4 Spade Terminals