MODEL C90 Description: 4*90Wrms RMS power at 14.4V 4Ohm Load: 90W*4 2Ohm Load: 110W*4 4Ohm Bridged: 180W*2 Features Input Level: 0.2~5V High Level Input: NA Two Channel Input mode: YES CH-A filter mode: HP-FULL-LP CH-B filter mode: HP-FULL-LP CH-A LPF: 50~500Hz CH-A HPF: 50~500Hz CH-B LPF: 50~500Hz CH-B HPF: 50~500Hz Frequency Response: 10Hz~25KHz THD at 4Ohm load 30% Rated Power: S/N Ratio: 90dB Channel Seperation: 89dB Minimum Load: 2ohm Overload protect System: YES ShortCircuit Test at max power: PASS Overheat protect temperature 80C / 176F Transparent Isolation Connector: NA Hi-END Design: NA Components & PCB: SMT & Double side board Dimension(mm):H 52x228x280