Kicker ZXM Amplifier ZXM700.5 Marine Audio
Features:  Weather-resistant features Fuses and power connections meet marine industry standards for protection against the elements Two- four- and 5-channel hybrid 420-watt (2 Ohm 14.4V) sub channel and four full-range channels Balanced differential inputs for noise elimination Factory radio compatibility 3 automatic turn-on modes +18dB of boost centered at 40 hertz  Specifications: RMS Power AMP1 & AMP2 channels driven:  @ 14.4V 4Ω stereo ≤ 1% THD+N: 70W x 4 @ 14.4V 2Ω stereo ≤ 1% THD+N: 85W x 4 @ 14.4V 4Ω mono ≤ 1% THD+N: 165W x 2  RMS Power SUBWOOFER channel driven:  @ 14.4V 4Ω mono ≤ 1% THD+N: 210W x 1 @ 14.4V 2Ω mono ≤ 1% THD+N: 420W x 1 Length:: 20" (507mm) Height:: 2-1/8" (54mm) Width:: 9-5/8" (244mm) Frequency Response  1dB: 25Hz-20kHz Signal-to-noise Ratio: >95dB A-weighted re: rated power Input Sensitivity: Low Level: 125mV-5V High Level: 250mV-10V Selectable Electronic Crossover: Variable HI or OFF (bypass) | 50-200Hz 12dB/octave Variable low-pass | 50-200Hz 24dB/octave (SUB) Bass Boost: Variable 0-18dB @ 40Hz Subsonic Filter: 24dB/octave fi xed at 25Hz