Sound Magus CK 400.4

400 Watt 4 Channel Amplifier POWER RATINGS 75x4 Watts RMS @ 4 ohm 100x4 Watts RMS @ 2 ohm 200x2 Watts RMS @ 4 ohm (Bridged) RECOMMENDED FUSE RATING 80 AMP RECOMMENDED WIRE SIZE 4 GUAGE COPPER WIRE DIMENSIONS Length - 10.03" Width - 5.51" Height - 2.12" FEATURES Frequency Response● 15Hz-25KHz LPF● 50Hz-750Hz Subsonic Filter (HPF) ● 50Hz-750Hz THD at 4 ohm load 30% Rated Power ● <0.05% S/N Ratio ● >80dB Best Efficiency @ 4ohm ● >60% Minimum Load ● 2ohm Low Voltage protection ● Yes, protect < 8V ShortCircut Test @ Max Power ● Pass Overheat Protect temperature ● Protect at 80C / 176F Components & PCB ● SMD parts / double side FR-4 pcb