Professional-grade high-power stereo amplifier.  High-quality balanced XLR and stereo jack input connectors.  3 switchable operational modes: stereo, mono and bridge  Innovative Thermal Management System (TMS) with temperature-controlled gain variation for optimal thermal protection and uninterrupted sonic performance. toroidal transformers with high-endurance cores for greater transient response and low-noise even at 2 Ohms.  Sensitivity (0.775V or 1.2V) selection switch allows flexibility in connection of input sources. Limiter switch provided protects the speakers from damage due to distorted input signals. Responsive rotary volume control knobs. Low THD and high damping factor for excellent sound quality. High-quality glass epoxy, double-sided PTH PCBs and high-grade components ensure reliability even in tough ambient environs. Intelligent cooling using low-noise variable speed fans and direct-mounted over-designed heatsinks.