Professional 2-Channel 70V Power Amplifier Compact size - only 2 RU and 14" deep for reduced rack cost and floor space Exclusive PowerLight switch-mode power supply technology for high performance and compact size Custom integrated security cover for tamper proof installations Variable speed fan for low noise 1 dB detented gain controls for fast and accurate gain settings Active inrush limiting eliminates AC inrush current, removing the need for expensive power sequencers XLR and detachable Euro-style input connectors HD15 DataPort connector for QSControl computer control or signal processing accessories DIP switch control for clip limiters, high pass filters, bridge mono and parallel operation Exclusive PowerLight switch-mode power supply technology for high performance and compact size Selectable high-pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (50 Hz or 75 Hz) Comprehensive front panel indicators including signal, clip, protect and QSC's exclusive bridge mono and parallel input LEDs Barrier strip output connector Comprehensive protection circuitry including DC, infrasonic, thermal overload and short circuit protection Lightweight-only 21 pounds (9.5 kg) for easier racking and shipping