... audio amplifier(XLS202,XLS402,XLS602,XLS802)XLS SeriesMinimum Guaranteed Powerper channel, both channels driven XLS 202XLS 402XLS 602XLS 802XLS 50001 kHz with 0.5 ... ,500W** 1,800W* 1,100W* 3,600W* 5,000W***with 0.1% THD **with 1% THDSensitivity ... full rated power at4 ohms1.25Frequency Response (at 1 watt, 22 Hz - 20 kHz)+0 dB, 1 ... , from 20 Hz to 1 kHz< 0.5%Intermodulation Distortion (IMD) 60 Hz and 7 ...