Kenwood 2156568 KAC-M1804 Compact 4-Channel Amplifier

Kenwood 4ch amplifier 400w max. Kac-m1804 - Kenwood 4-channel 400w class d compact digital car amplifier. RMS power rating: 4 ohms: 45 watts x 4 chan. Max power output: 400 watts. Conformal coated circuit board suitable for marine applications. Extruded aluminum heat sink design. 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 - 4Ω