|3/4-Channel Special Applications Power Amplifier. Specially designed for surround sound, multi-room and satellite/subwoofer use. Built-in 18dB/octave electronic subwoofer crossover. Crossover selectable from front panel controls to frequencies of 80 Hz, 100 Hz or 150 Hz. 60 watts per channel, all channels driven into 8 ohms. 100 watts per channel all channels driven into 4 ohms. 2 x 60 watts and 1 x 150 watts in 3 channel mode. Front panel input level controls for all channels.