Everything in Music - Since 1958

QSC CX702 2-Channel Low-Z Power Amplifier

  • Our Price
  • $2,400.00
  • Regular price MSRP: $2,400.00


The CX702 is a Two Channel Amplifier Designed for Installation Applications Requiring Premium Sound Quality and High Output

Recognized by sound contractors worldwide for their reliability, CX Series amplifiers feature PowerLight™ power supply technology reducing weight, eliminating AC mains hum and improving audio quality. The highly efficient power supply also draws less power and produces less heat resulting in added energy savings. CX Series amplifiers also feature advanced amplifier control and monitoring via the Q-SYS Ecosystem.

  • 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 networked 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)
  • 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
  • Class H complementary bipolar output circuitry for high efficiency
  • Optional external transformer accessory pack for isolated 25-, 70-, and 100-volt outputs
  • Compact size - only 2 rack units high and 14" deep for reduced rack cost and floor space
  • Lightweight - weighs 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



  • Noise, 20 Hz-20 kHz: -107 dB
  • Input Sensitivity @ 8Ω: 1.26 Vrms
  • Maximum Voltage Gain: 30 dB
  • Output Circuitry Class: AB+B
  • Distortion
    • 20 Hz-20 kHz, 10 dB below rated power: Less than 0.01% THD
    • 1.0 kHz and below, full rated power: Less than 0.01% THD
    • SMPTE-IM: Less than 0.02%
  • Frequency Response: 20 Hz-20 kHz, ±0.2 dB
  • Damping Factor: Greater than 500
  • Input Impedance: 6 kΩ unbalanced, 12 kΩ balanced
  • Input Clipping: 10 Vrms (+22 dBu)
  • Cooling: Variable-speed fan, rear-to-front air flow
  • Connectors (each channel)
    • Input: 3-pin XLR and 3-pin detachable terminal blocks (1 each per channel)
    • Output: Safety-shrouded barrier strip
  • Protection
    • Amplifier: Full short circuit, open circuit, thermal, ultrasonic, and RF protection, stable into reactive or mismatched loads
    • Load: On/off muting, DC-fault power supply shutdown
  • Dimensions (H x W x D): 3.5 x 19 x 14 inch / 89 x 483 x 356 mm
  • Weight: 21 lb / 9.5 kg


  • Per Channel, Stereo Mode, Both Channels Driven
    • 8Ω, 20 Hz-20 kHz, 0.05% THD: 425 W
    • 4Ω, 20 Hz-20 kHz, 0.05% THD: 700 W
    • 2Ω, 1 kHz, 1% THD: 1200 W
  • Bridged Mono Mode
    • 16Ω, 20 Hz-20 kHz, 0.1% THD: 850 W
    • 8Ω, 20 Hz-20 kHz, 0.1% THD: 1500 W
    • 4Ω, 1 kHz, 1% THD: 2400 W

Manufacturer: QSC Audio
Model: CX702
SKU: I153317-2-WHXE

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