Power Acoustik went the extra mile to make these amplifiers marine grade. Built from the ground up to be the finest possible amp for your off-road vehicles, motorcycles, or personal watercraft. Made splash-and-spray-resistant conformal coated circuit boards and terminals, It’s all engineered to maintain top-shelf performance for years to come. We’ve engineered traditional Razor amplifiers to fit in virtually any location in your ride. Other sport compact amplifiers use bizarre technologies with pseudo power supplies, FAKE NEWS! Razor amps use tried and tested MOSFET power supplies & tenacious Class-D circuitry. Features: Compact 4.75” Chassis Design for Installation Versatility Splash Resistant Conformal Coated Circuit Boards MOSFET Power Supply w/ Audiophile Grade IRTM Transistors Military Grade SMT PCB Maintains Dynamic Performance 2-ohm Stereo & 1-ohm Full Range Operation Direct Short, Thermal, & Overload Circuits Protect Amplifier 200mv-6V Low-Level RCA Inputs High-Level Input w/ Signal Sense Auto Turn-on Variable 12dB High Pass & Low Pass Crossovers 10-50Hz Variable 12dB Subsonic Crossover Protects Subwoofers | Weather Resistance Conformal-Coated Number of Channels 4 Class D Peak Power Rating (Watts) 3000 RMS Power Rating (Watts x Channels) - 4 Ohms 285 x 4 RMS Power Rating (Watts x Channels) - 2 Ohms 375 x 4 RMS Power Rating - Bridged 750 x 2 Minimum Impedance Unbridged (Ohms) 2 Minimum Impedance Bridged (Ohms) 4 THD at Rated RMS Power Bulit-in Crossover - Low Pass Yes Built-in Crossover - High Pass Yes High Pass Crossover Frequency (Hz) Yes Low Pass Crossover Frequency (Hz) Yes Signal-to-Noise Ratio Bass Boost No Bass Remote Included No Fuse Rating CEA-2006 Compliant Maximum Power Wire Gauge Size Warranty 1 Year