Number of Channels : 4Frequency Response : 40-30000 HzBuilt In Crossovers : YesChannel Separation : YesRMS Power Range : 240 - 480 WattsAmplifier Class : A/BPower Output60W x 4 @ 4-Ohms120W x 4 @ 2-OhmsGeneral FeaturesAnodized Aluminum Heat SinkExternal Bass Control Included with Mono Blocks"Clip" Light LED on Mono BlocksGeneral SpecificationsSignal-to-noise Ratio (1 Watt): >75dBTHD+N (Distortion) (1 Watt):