... range of 4 channel power amplifiers are class D amplifier of digital signal transmission. DescriptionThis range of 4 channel ... , peak and protection. Features:4 separate amplifier into one chassisClass D amplifier of rack mounted type in 2URated power from ... Response80Hz~18KHzS/N RatioBetter than 85 dBTHDLess than 0.1% at 1KHz, 1/3 rated powerControlsPower switch, volume controlIndicatorsPower, clip , ...