These instrument power amplifiers take the transparent Power Engine capabilities to large-venue capacity. The stereo Power Engine 400 delivers 200-watts per side @ 8-Ohms - all in a heavy-duty 2U rack housing. The oversized power supply with a toroidal transformer delivers pneumatic punch with a natural transient response, while the tone is pure and uncolored. Super-reliable with top-quality Toshiba power transistors and a heat-sensor equipped cooling fan. Front panel level control(s) with LED indicators for Signal and Clip. XLR and 1/4? inputs. XLR output(s) with Ground Lift. Parallel Speaker Outputs. Reliable and versatile for any sound reinforcement application. Power 200W RMS @ 8Ù min/side 150W RMS @ 16Ù