JL Audio MX280/4 Marine Amplifier + x2 Pairs M3-650X-S-GW Speakers

MX280/4 Amplifier Specifications Rated Continuous (RMS) Power @ 14.4 V @ 4 Ω 50 W RMS x 4 @ 2 Ω 70 W RMS x 4 Bridged @ 4Ω 140 W RMS x 2   Rated Continuous (RMS) Power @ 12.5 V @ 4 Ω 36 W RMS x 4 @ 2 Ω 52 W RMS x 4 Bridged @ 4Ω 100 W RMS x 2   General Specifications Frequency Response 20 Hz - 20 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >89.5 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 Ω >60 / 50 Hz Damping Factor @ 2 Ω >30 / 50 Hz THD+N @ Rated Power <1% @ 2 Ω per Ch. Input Voltage Range @ RCA Inputs Switchable from 250 mV - 4 V RMS (Low) to 750 mV - 15 V RMS (High) Min.Copper Power / Ground Wire Gauge 8 AWG wire Fuse Rating 35 A (AFS, AGU or MaxiFuse™)   Signal Processing Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12 dB/octave Filter Frequency Range 35 Hz - 30