Package: (2) Kenwood KFC-W3013PS 12" 4 Ohm Performance Series Car Subwoofer With 2400 Watt Peak / 800 Watt RMS + Kenwood Kac-8105d Class D Mono 1000 Watt Class D Amplifier + Cadence Wk41 Complete 4 Gauge Wire Kit With Rca CablesFeatures:12" Performance Series Car SubwooferPolypropylene Cone Woofer with Diamond Array PatternRubber SurroundDual Ventilation SystemSilver Plated Terminals8 AWG Speaker Wire CapableDouble Stacked MagnetLong Stroke StructureKenwood KAC-8105D Class D 1000 Watts amplifierCEA-Compliant Amplifier300 watts x 1 at 4ohms500 watts x 1 at 2 ohms1000 watts x 1 Max Power OutputBuilt-In Low Pass Crossover Filter (50-200 HZ @ 24 dB per octave)Subsonic FilterShort circuit, DC offset, overload, and thermal protection circuitryVariable Bass BoostLED Power-On IndicatorBuilt In Cooling FanMOSFET Power SupplySpeaker Level InputSignal Sensing Auto Turn-OnInput Sensitivity: 0.2 - 5 voltsFrequency response: 10-200 HzAluminum die cast heat sinkGold-plated RCA level inputsGold-plated screw terminalsPreamp RCA output4 Gauge Power and Ground InputsDimensions: 11"L x 2-5/16"H x 9-3/8"D1 - 17" High Grade Twisted Pair of 100% Copper RCA Cable17" - 4 Gauge Translucent Blue SuperFlex Power Cables17" - 18 Gauge Blue Remote Cable17" - 16 Gauge Clear Speaker Wire3" - 4 Gauge Clear SuperFlex Ground WireGold Plated AGU Heat Resistant Fuse Holder60 Amp AGU Gold Plated Fuse7" Split Tube LoomAccessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets