4 x 300 Watts RMS @ 4 Ohms - Bass Boost Circuit - High Pass Filter Controls - Channel Separation : > 65 dB - Dimension : 1.73''(H) x 6.22''(W) x 8.03''(L).4 x 600 Watts MAX @ 4 Ohms - Bridgeable at 4 Ohms - Power and Protection LED Indicators - Frequency Response : 20 - 40K Hz.2 x 1200 Watts MAX @ 4 Ohms Bridged - 2 Ohms Stereo Stable - Soft Turn On/Off - HPF Freq. Response : 50 - 500 Hz.4 x 450 Watts RMS @ 2 Ohms - Nickel RCA Inputs - Stainless Waterproof Hardware - LPF Freq. Response : 50 - 500 Hz.Electronic Crossover Network - Low Pass Filter Controls - THD S/N Ration : > 90 dB - Fuse : 40A x 1 This Lanzar Mariner Mini-MOSFET amplifier may look small, but it packs a huge punch - up 1800 watts of power on four channels. Plus, it's got tons of features, including an electronic crossover network, bass boost circuit, and the ability to bridge two channels for double the power. High and low-pass filter controls allow you to tweak the sound to your liking - and prevent nasty distortion and the fringes of the sound spectrum. Nickel-plated RCA inputs keep your audio sounding crystal clear, noise-free, and prevents rust - especially important in marine settings. Takes both high and low-level inputs to maximize your possibilities. Line outs for left and right channels. Power and protection LED indicators let you know your equipment is secure. Color: silver.