MB QUART NA2-400.2 400 Watt RMS 2-Ch. Marine Boat ATV Compact Amplifier+Amp Kit Package Includes: MB QUART NA2-400.2 400w 2-Channel Amplifier Amp For Polaris/ATV/UTV/RZR/CART + Rockville RMWK8 8AWG Guage Waterproof Marine/Boat Amplifier Wire Installation Kit MB QUART NA2 400.2 400w 2-Channel Amplifier Amp For Polaris/ATV/UTV/RZR/CART. Marine Grade Protection: Yes - Amplifiers are ABYC & ASTM certified which defines that marine amplifiers must use conformal coated PC boards to resist corrosion from salt spray & moisture.. Pre-Amp Circuitry: Q-Stasis Pre Amplifier Stage - The highly engineered Q-Stasis pre-amplifier stage reduces incoming noise from source units dramatically improving sound quality. Inputs: 1 Pair, RCA Nickel-Plated - High temperature impact resistant with hex screw terminals that allow for secure connections and is erosion resistant. Operation Mode: Two channel operation - Flexible installation allows this amplifier to run in two channel or bridged mono mode.. Crossover / Signal Shaping: Switched FULL / LPF / HPF - Complete control of amplifier signal, essential when using two or more amplifiers. Rockville RMWK8 8AWG Guage Waterproof Marine/Boat Amplifier Wire Installation Kit. 25 Translucent, Twisted Pair, High Quality, Tinned-CCA Flexible PVC RCA Cable. 20 8 Gauge High Current, Low Impedance, Clear Flexible Power Cable with 3 Black Poly Woven Mesh to better resist chemicals in the battery compartment. 4 8 Gauge High Current, Low Impedance, Light Blue, Flexible Ground Cable. 25 16 Gauge 100% Tinned-OFC, White, Non-Transparent Resin PVC, Flat Speaker Cable. 20 Blue Remote Wire. 1PC Silver Mini-ANL Fuse Holder  Clear Shell and Clear Blue Bottom Bracket with Blue Waterproof Ring.1PC 50A Mini-ANL Fuse. 2PCS Ring Terminals. 2PCS Spade Terminals. 5PCS Speaker Cable Terminals. 1PC Washer. 10PCS White Cable Ties.