4 Rockville RWB80B 8" Wakeboard Marine Speakers+4 Channel Amplifier+Amp Kit Rockville RWB80B Pair of 8" Black WakeBoard Tower Speakers Totaling 600 Watts (300 Watts per speaker). 8" Two-Way High Fidelity Speaker System. Adjustable Nylon Mounting Bracket Reinforced With Embedded Steel. 1" Polymide Dome Neodymium Midrange Tweeter. Built-In Two-Way Crossover Network. Fully Marinized Against Salt & Fresh Water Conditions. Completely Water / Rust Resistant. Terminals Are Sealed with Rubber Gaskets . Specially Tuned for PA Voice Over. Polypropylene Mica Injected Cone with Santoprene Surround. High BL Magnet Motor Structure. Y30 High Density Magnets. Oversized 1.25 Kapton Voice Coil. Large mounting screw accommodates roll bars found on many off road vehicles such as Jeep Wranglers, and ATV's equiped with a roll bar/cage.. Color: Black. Rockville RXM-F4 Marine 4 Channel Amplifier. 2400 Watt Peak/1200w RMS. PA Microphone Included.Peak Power: 2400 Watts (2 x 1200 @ 2 ohms or 1 x 2400 @ 4 Ohms). High-Speed MOSFET Power Supply. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. High Level Input Auto Start Smart Turn-On. Full IC-Controlled Protection Circuitry. RCA Preamp Line Output. Rockville RMWK4 4AWG Guage Waterbrroof Marine/Boat Ambrlifier Wire Installation Kit. 25 Translucent, Twisted Pair, High Quality, Tinned-CCA Flexible PVC RCA Cable. 20 4 Gauge High Current, Low Imbredance, Clear Flexible Power Cable with 3 Black Poly Woven Mesh to better resist chemicals in the battery combrartment. 4 4 Gauge High Current, Low Imbredance, Light Blue, Flexible Ground Cable.25 16 Gauge 100% Tinned-OFC, White, Non-Transbrarent Resin PVC, Flat Sbreaker Cable Rockville MRCA20 RCA Interconnect Cable . 20 Ultra-Flexible PVC Shield. Twisted Pair. Premium Audiophile Marine RCA Interconnect Cable. High Performance Water Proof RCA Plugs. Tinned Copper Strands for Sonic Purity. Outstanding Noise Rejection, Accuracy, and Frequency Response.