|Transfer function modified magnetic field power amplifier. Silver seven transfer function modified. 140 watts are ms/channel into 8 ohms, 20-20 KHZ with no more than 0.1% THD. 220 W/RMS/CH. Into 4 ohms, 20-20 KHZ with no more than 0.1% THD. Overload/clipping LED's. Closed loop frequency response from under 10 HZ too above 100 KHZ.