Package Includes: (1) Rockville RXM-S30 2400W / 600W Dyno-Certified RMS 4 Channel Proton Micro Marine Car Amplifier, (1) Rockville RMWK4 4 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit Powerful Output: Delivers 4x150W RMS @2Ω, 4x90W RMS @4Ω, or 2x300W RMS bridged @4Ω; Peak power up to 2400W for dynamic, distortion-free sound in marine or off-road setups High-Efficiency Class A/B Design: Achieves 70% efficiency with low current draw (27A @4Ω / 40A @2Ω) and THD+A of only 0.01% for crystal-clear audio performance Marine-Grade Build: Conformal-coated PCB, sealed potentiometers, and high-speed MOSFET power supply resist moisture, corrosion, and heat for long-lasting reliability Precision Audio Control: 15Hz–20kHz frequency response, >90dB S/N ratio, 50dB channel separation, 20mV–6V input sensitivity, >200 damping factor, and dual 30A fuses ensure top-tier fidelity and protection The Rockville RXM-S30 Micro Marine/ATV Amplifier Bundle with RMWK4 Wire Kit delivers exceptional power, clarity, and reliability for marine, ATV, and car audio systems. With 2400W peak and 600W Dyno-Certified RMS output, this compact 4-channel Class A/B amplifier produces 4x150W @2Ω, 4x90W @4Ω, or 2x300W bridged @4Ω for flexible setup options. Its 15Hz–20kHz frequency response and ultra-low 0.01% THD+A ensure rich, distortion-free sound. Built to withstand harsh environments, the RXM-S30 features a conformal-coated PCB, sealed potentiometers, and MOSFET power supply for superior water, heat, and corrosion resistance. High-grade ELNA RA3 capacitors and SMD circuitry deliver audiophile-level clarity, while efficiency up to 70% minimizes battery strain. The included Rockville RMWK4 4 AWG waterproof wire kit provides premium, tinned-OFC RCA cables, power and ground wires, and mini-ANL fuses for safe, reliable installation. With >90dB signal-to-noise ratio, >200 damping factor, 50dB channel separation, and 20mV–6V input sensitivity, this amplifier ensures precise, controlled sound reproduction across all channels. Whether powering marine speakers, UTV systems, or in-vehicle setups, the Rockville RXM-S30 + RMWK4 kit combines efficiency, ruggedness, and high-fidelity performance—making it the ultimate choice for powerful audio anywhere.