Power amplifier. Single channel 60 watt, 20Hz - 20kHz, 0.5%THD, +/-1dB freq response -=- Industry Standard -=- Terminal board input, no input module. Master volume control and Normal, Clip, Power, Protect and Signal Indicators on Front Panel. 25V / 70V and 8-Ohm Transformer Isolated Speaker Output [balanced] with 4-Ohm Direct Output [unbalanced] with screw terminals on back. Aux power outlet, Low Cut On/Off Switch to limit low freq response, Input Level 0 / -20bD switch. Turn-On Delay during power up, Very good cosmetically. Learn More