• $1,280.00

The CX Series is designed to meet the specialized needs of sound contractors. Eight 2-channel models have been designed from the ground up, combining the exclusive QSC PowerLight™ technology with specific features to meet the requirements of fixed installations.

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


  • 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 Q-Sys and QSControl computer control and monitoring
  • Dip switch control for clip limiters, high pass filters, bridge mono and parallel operation
  • Selectable high pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (33 Hz or 75 Hz on non-V models, 50 Hz or 75 Hz on V models)
  • 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
  • Optional external transformer accessory pack for isolated 70 and 100 -volt outputs (converts CX302 to 400 watts per channel isolated output)
  • Compact size - all models are only 2 rack units high and 14" deep for reduced rack cost and floor space
  • Light weight - all models weigh only 21 pounds (9.5 kg) for easier racking and shipping
  • 3-year warranty plus optional 3-year extended service contract
  • All CX Series amplifiers meet the European Union's, 2006 RoHS directive to restrict the use of hazardous materials used in electronic devices.
Power Rating, 70V, 20 Hz–20 kHz, 0.05% THD 200 W
Power Rating 70 V, 1 kHz, 0.05% THD 250 W
Power Rating 70 V, 1 kHz, 1% THD 300 W
Power Rating, 140 V, 20 Hz–20 kHz, 0.05% THD 400 W
Power Rating, 140 V, 1 kHz, 0.05% THD 500 W
Power Rating, 140 V, 1 kHz, 1% THD 600 W
Noise, 20 Hz-20 kHz -106 dB
Input Sensitivity @ 8 ohms 1.26 Vrms
Voltage Gain @ 8 ohms 35 dB
Output Circuitry AB+B
Distortion (SMPTE-IM) Less than 0.02%
Distortion (Typical) 20 Hz-20 kHz: 10 dB below rat Less than 0.01% THD
Distortion (Typical) 1.0 kHz and below: full rated Less than 0.01% THD
Frequency Response 20 Hz-20 kHz, +/- 0.2 dB
Damping Factor Greater than 500
Input Impedance 6k ohms unbalanced, 12k ohms balanced
Input Clipping 10 Vrms (+22 dBu)
Cooling Variable-speed fan, rear-to-front air flow
Input Connectors, each channel 3-pin XLR & 3-pin detachable terminal blocks (1 each per channel)
Output Connectors, each channel Safety-shrouded barrier strip
Amplifier Protection Full short circuit, open circuit, thermal, ultrasonic, and RF protection. Stable into reactive or mismatched loads.
Load Protection On/Off muting, DC-fault power supply shutdown
Dimensions 19" (48.3 cm) wide, 3.5" (8.9 cm) tall (2 RU), 14" (35.6 cm) deep (from front mounting rails)
Weight 21 lbs (9.5 kg) net, 27 lbs (12.3 kg) shipping
(1) QSC CX302V Two Channel Power Amplifier
(1) IEC US Power Cord
(1) Operator's Instructions

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