4 channel amplifier klasse ab nennleistung rms bei 4 ohm gebrckt 2 x 300 power output at 4 ohms 680 watt rms power per channel at 4 ohm 85 watt rms power per channel at 2 ohm 150 watt series crunch gti frequency response 5 40000 hz integrated crossover signal noise ratio 90 db impedance 2 ohm eingangsempfindlichkeit 0 2 4 distortion factor 0 05 input impedance 20 kohm fuse 2 x 35 a dimensions 251 x 55 x 310340 mm