4 channel amplifier power output at 4 ohms 560 watt output power per channel at 4 ohm 140 watt rms power per channel at 4 ohm 55 watt output power per channel at 2 ohm 250 watt rms power per channel at 2 ohm 75 watt series magnat edition displays led operation display led surcharge indicator connections 2 x rca gold plated 4 x screw terminals gold plated outputs 1 x rca gold plated frequency response 5 50000 hz integrated crossover signal to noise rat