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400 Watt Kenwood KAC-M1804 Marine Amplifier


Compact 4 Channel Digital Amplifier
Amplifier Type Class D
CEA-2006 Primary Ratings Power Output 45Watts RMS x 4 at 4 Ohms and ≤1%THD+N
Signal-to-Noise Ratio 74dBA (Reference: 1Watt into 4Ohms)
Maximum Power Output MAX POWER 400W
Specifications Signal to Noise Ratio 90dB (Reference: Rated Power into 4Ohms at 14.4V)
Frequency Response 20Hz-20kHz (+0dB, -1dB)
Input Impedance 10k ohm
Speaker Impedance
General Dimensions(WxHxD) 140 [mm] x 34 [mm] x 90 [mm]
5-1/2 inch x 1-5/16 inch x 3-9/16 inch
Weight  (kg) 0.74 [kg] 1.63 [lbs]
Operating Voltage 14.4V(11-16V allowable) [V]
Current Consumption 15 [A]
Key Features
Class D
Speaker Level Input 
Signal Sensing Turn-on 
Power MOS-FET Switching Power Supply 
Extruded Aluminum Heat Sink Design