Inca 500 4ch Power Amp with DSP 4x125W Half-RackThe Inca 500 amplifier is a half rack width, 1U format power amplifier that can drive both conventional low impedance (Low Z, 4 to 16) loudspeakers and high impedance (Hi Z, 70V 100V) transformer coupled loudspeakers. The Inca 500 provides four analog inputs, one stereo S PDIF digital input, and four outputs (Low Z mode) or two outputs (Hi Z mode). It is capable of a maximum output of 125 Watts per channel into Low Z loads or 250 Watts per channel