Rockville Krypton MF3 1600w Peak / 400w RMS 4 Channel Marine Amplifier Boat Amp

Rockville KRYPTON MF3 1600w Peak/400w Dyno-Certified RMS 4 Channel Marine Amplifier Boat Amp, Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) 2 Ohm: 100 Watts x 4 Channels <1% THD+N, 4 Ohm: 70 Watts x 4 Channels <1% THD+N, 4 Ohm Bridged: 200 Watts x 2 Channel, Peak: 2 Ohm: 400 Watts x 4 Channels, 4 Ohm: 280 Watts x 4 Channels, 4 Ohm Bridged: 800 Watts x 2 Channels, Painted Conformal Coating PCB Board (Use 2577 Waterproof Glue), Rustproof Aluminum heat sink with black hairline finish, Stainless steel end panels are rustproof, All screws and mounting hardware are stainless steel and rustproof, Bottom panel is aluminum and rustproof, Marine public address system with microphone with talkover function All channels on the amp have crossovers so they can each be used for subs or full range speakers or tweeters or midrange speakers, All channels on the amplifier are bridgeable, Digital Voltage Display on Amp, Fully Adjustable 12dB / Octave Crossover with Differential Circuitry, Adjustable Subsonic Filter: 15Hz -40Hz (This filter is on the HPF knob), Adjustable Low Pass Filter: 40Hz – 4KHz, Adjustable Band Pass Filter: 15 Hz - 4 kHz (use both the HPF and LPF filter) Adjustable High Pass (Subsonic) Filter: 15 Hz - 4 kHz, 2CH/4CH Input Mode Switch, 8 Volt Preamp Circuitry, Under Voltage Protection at 10V, Over Voltage Protection at 16V, High-Speed MOSFET Power Supply, Full IC-Controlled Protection Circuitry, Fully Adjustable 12dB Bass Equalizer, Adjustable Input Level Control Studio-Grade Bipolar Output Stage Transistors, Mute and Delayed Soft Start System, Status Mode LED Indicators, Minimum THD at Rated Power: < 0.05%, S / N Ratio: >90dB, Frequency Response: 10Hz - 50KHz, Damping Factor: >85 @ 100Hz, 25 Amp x 2 ATC Fuses, Color: Black, Dimensions: (Lx W x H) 13.1˝ x 8.7˝ x 2.2˝