JL Audio MX Marine Amplifier 3-Channel Full-Range 600 Watts 12vModel: MX600/3Part Number:010-03326-003-Channel Class D System Amplifier, 100 W x 2 + 400 W x 1 @ 2 ohms / 75 W x 2 + 250 W x 1 @ 4 ohms – 14.4VEngineered specifically for powersports applications, the 3-channel MX600/3 amplifier employs our high-speed NexD switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum housing is highly resistant to corrosion, with an IPX7 water-resistance rating, making it perfect for motorcycles, ATVs or other utility vehicles.Generating a potent 75W x 2 into 4 ohms, plus a solid 400 watts for a subwoofer system, the MX600/3 makes a great all-in-one solution for driving a complete audio system from a single, ultra-compact chassis.Onboard filters include a 12 dB / octave high-pass crossover on the main channels and a dedicated 24 dB / octave low-pass crossover for the subwoofer channel. Other features include a bass boost EQ, variable infrasonic filter and subwoofer output polarity switch. A dual-range input section accepts a wide range of input voltage levels, from line-level all the way to high-power speaker level signals.This amplifier features a rugged powder-coated finish, a gasketed cover for the controls and stainless steel hardware for durability.USA Limited Warranty: Two (2) years from the original date of purchase.SpecificationsRated Continuous (RMS) Power @ 14.4 VMain Channels @ 4 ohms75 W RMS x 2Main Channels @ 2 ohms100 W RMS x 2Main Channels – Bridged @ 4 ohms200 W RMS x 1Subwoofer Channel @ 4 ohms250 W RMS x 1Subwoofer Channel @ 3 ohms300 W RMS x 1Subwoofer Channel @ 2 ohms400 W RMS x 1Subwoofer Channel @ 1.5 ohmsN/ARated Continuous (RMS) Power @ 12.5 VMain Channels @ 4 ohms50 W RMS x 2Main Channels @ 2 ohms80 W RMS x 2Main Channels – Bridged @ 4 ohms100 W RMS x 1Subwoofer Channel @ 4 ohms200 W RMS x 1Subwoofer Channel @ 3 ohms250 W RMS x 1Subwoofer Channel @ 2 ohms300 W RMS x 1Subwoofer Channel @ 1.5 ohmsN/AGeneral SpecificationsFrequency Response20 Hz – 20 kHz (+0, -1dB)S/N Ratio, referred to highest rated power>88 dB below rated power (A-weighted, 20 Hz – 20 kHz noise bandwidth)S/N Ratio, referred to 1 W>68 dB (A-weighted, 20 Hz – 20 kHz noise bandwidth)Damping Factor @ 4 ohms>92 / 50 HzDamping Factor @ 2 ohms>43 / 50 HzTHD+N @ Rated Power (Main Channels)<1% @ 2 ohms per Ch.THD+N @ Rated Power (Subwoofer Channels)<1% @ 2 ohms per Ch.Input Voltage Range @ RCA InputsSwitchable from 250 mV - 4 V RMS (Low) to 580 mV - 14 V RMS (High)Min.Copper Power / Ground Wire Gauge4 AWG wireFuse Rating60 A (AFS, AGU or MaxiFuse)Signal ProcessingFilter Slope(s)12 dB/octaveFilter Frequency Range: Channels 1 & 2 (front)35 Hz - 300 HzFilter Frequency Range: Subwoofer Channel40 Hz - 400 HzFilter Mode(s): Channels 1 & 2 (front)High-Pass onlyFilter Mode(s): Subwoofer ChannelLow-Pass onlyDetented, Calibrated Filter Freq. PotentiometersYesFilter Defeat FunctionYesRemote Subwoofer Level ControlOptional (RBC-1)Remote Level ModesN/AChannel Input Mode SwitchYes (2/4 ch.)Pass-Through Preamp OutputNoneSource Channel Selection for PreOutsN/APhysical SpecificationsHeight1.77 in / 45 mmWidth9.33 in / 237 mmDepth4.50 in / 115 mm