HIGH-POWER MARINE AUDIO: 2000W peak/500W Dyno-Certified RMS across 4 channels for clear, powerful sound to drive marine speakers and subwoofers. BUILT FOR HARSH CONDITIONS: Waterproof, rustproof aluminum and stainless steel construction with conformal-coated PCB and silicone terminal covers. ADVANCED SOUND CONTROL: Fully adjustable crossover with bandpass and subsonic filters, 12dB bass EQ, and bridgeable channels for flexible system setups. COMPACT & EASY TO INSTALL: Measures 15.03" x 8.93" x 2.36" and weighs 7.45 lbs, designed for straightforward installation in tight marine spaces. FLEXIBLE CONNECTIONS: Supports 2-4 ohm impedance, includes PA mic input, adjustable input level, and LED status indicator for versatile marine audio configurations. The Rockville DBM45 4-Channel Marine Amplifier delivers premium power and durability for boat audio systems. With 2000W peak and 500W Dyno-Certified RMS output, it drives speakers and subwoofers with clarity and impact. Built for harsh marine environments, it features a waterproof conformal-coated PCB, silicone terminal covers, rustproof aluminum heat sink, and stainless steel hardware for long-lasting reliability.

Its advanced sound controls include a fully adjustable crossover with bandpass and subsonic filters, 12dB bass EQ, and bridgeable channels to fine-tune your setup for subs, mids, or full-range speakers. The DBM45 offers a wide frequency response (10Hz-50kHz), low THD (90dB).

Compact and installation-friendly at 15.03" x 8.93" x 2.36" and 7.45 lbs, it fits easily into tight spaces. Supports 2-4 ohm impedance and includes a PA microphone, birth sheet with tested power, mounting hardware, and owner's manual. Perfect for everything from relaxed cruising to high-energy parties on the water.