Rockville Krypton MF4 2400w Peak/600w Dyno-Certified RMS 4 Channel Marine Amplifier Boat Amp

What's in the Box: Amplifier. PA microphone. Birth sheet with tested power. Owner’s manual. Mounting Screws. Warranty. Rockville KRYPTON MF4 2400 Watt Peak and 600w Dyno Certified RMS Class AB 4-Channel Marine Amplifier. Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, etc). 2 Ohm: 150 Watts x 4 Channels <1% THD+N @ 14.4 Volts . 4 Ohm: 100 Watts x 4 Channels <1% THD+N @ 14.4 Volts . 4 Ohm Bridged: 300 Watts x 2 Channels <1% THD @ 14.4 Volts . Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 600 Watts x 4 Channels . 4 Ohm: 400 Watts x 4 Channels. 4 Ohm Bridged: 1200 Watts x 2 Channels . Painted Conformal Coating PCB Board (Uses 2577 Waterproof Glue) . Rustproof Aluminum heat sink with white 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.