Features Three models that range in power from 170 watts to 450 watts per channel Compact size – all models only 2 RU and 14" deep for reduced rack cost and floor space Channels 1&2 and 3&4 bridgeable for maximum flexibility Active Inrush Limiting eliminates AC inrush current, removing the need for expensive power sequencers HD15 DataPort connector for QSControl computer control 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 Detachable Euro-style input connectors | 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 (33 Hz or 75 Hz on CX254 and CX404, 50 Hz or 75 Hz on CX204V) 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 High-performance Class AB+B complementary bipolar output circuitry Lightweight – all models only 21 pounds (9.5 kg) for easier racking and shipping 3-year warranty plus optional 3-year extended service contract |