QSC 4-channel Professional Power Amplifier, 250W at 8 Ohms Stereo - CX404

The QSC CX404 4-channel Professional Power Amplifier give you four channels in only two rack spaces, without compromising on power. Choose from three models, a direct 70 volt model and two low impedance versions. Each model is equipped with exclusive QSC PowerLight switching power supply technology to virtually eliminate noise and hum. With high-output power, versatile loading options, high-thermal capacity and unmatched reliability, the CX Series is the perfect solution to any permanently installed sound system.

• 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
• 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