Package Includes: (1) MTX 12" Car Audio Subwoofer Sub, (1) Rockville Single 12 1.0 cu.ft. 3/4 MDF Sealed Subwoofer Enclosure Box, (1) Rockville RXA-T Watt Peak/375w RMS 2 Channel Amplifier Car Stereo Amp. (1) Rockville RWK81 8 Gauge Complete Amp Installation Wire Kit with 100 Copper RCA, 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,Features of MTX 12" 500 Watt Peak/250 Watt RMS 4-Ohm Car Subwoofer RMS Power Handling: 250 Watts, Peak Power Handling: 500 Watts, Recommended Amp Power: Watts RMS, Impedance: 4 Ohms. Frequency Response: 28Hz - 130Hz, Sensitivity: 86 dB. Voice Coil: 1.75" inches (Single), Magnet Weight: 56 oz. Mounting Depth: 5.313" inches,Features of RXA-T1: Rockville RXA-T Watt Peak/370 Watt Dyno-Certified RMS 2 Channel Amplifier Car Stereo Amp Dyno Certified RMS Power Ratings: 250 Watts (2 x 125 Watts) at 4 ohms and 1% THD+N, 370 Watts (2 x 185 Watts) at 2 ohms < 1% THD, 1 x 370 Watts bridged 4 Ohms < 1% THD, Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc) 1500 Watts (2 x 750 2 ohms or 1 x 1500 4 Ohms) High-Speed MOSFET Power Supply,Features of RS12 : Rockville RS12 Single 12" Sealed Subwoofer Enclosure, Proudly Made In The USA, Using Only The Finest Quality Materials - For The Best Level of Performance From Your Subs!, 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 today s popular woofers.,Features of RWK81 : Rockville RWK81 8 Gauge 2 Channel Car Amplifier Wiring Installation Kit, (1) 17 High Grade Twisted Pair of 100% Copper RCA Cable, 17 8 Gauge Translucent Blue Super Flex Power Cables. 17 18 Gauge Blue Remote Cable. 17 16 Gauge Clear Speaker Wire. 3 8 Gauge Super Flex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder, 60 Amp AGU Gold Plated Fuse