MR1950 Marine 5 Channel Full Range Class A/B Power Amplifier - 1950WBoss Audio's Marine 1950-watt 5 Channel Full Range Class A/B Power Amplifier with Remote Subwoofer Level Control.Features:Full Range Class A/B 5/4/3/2 Channel MOSFET Power Supply Exclusive protective coating on PC board to prevent damage from humidityStandard Warranty: 1 YearExtended Warranty: 5 Years (if installed by an authorized dealer)Specifications:Total Power Output: 1950 Watts Peak Power @ 2: 250 Watts x 4 Bridged Power @ 4: 500 Watts x 2 RMS Power @ 4: 120 Watts x 4 5th Ch Peak Power @ 2: 600 Watts x 1 5th Ch Power @ 4: 300 Watts x 1 Speaker Impedance: 2-8 T.H.D. (Total Harmonic Distortion): 0.01% Channel Separation >/-: 90 dB S/N Ratio (A-Weighted): 103 dB Frequency Response: 10 Hz to 46 Hz +/- 1 dBConnections, Controls & Processing:RCA Inputs: 6 ChannelLow Pass Filter: 40 Hz to 150 HzHigh-Pass Filter: Fixed Hz 80 HzBass Boost: Variable 0 to 18 dBRemote Subwoofer Control: YesInput Sensitivity Switch: YesInput Mode Switch: YesThermal/Overload/Short Protection: YesMeasurement:Length: 18.9"Width: 7.32"Height: 2.09"WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.