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QSC GX5 Power Amplifier

The new range of quality yet affordable amplifiers from QSC. The GX5 gives 700W per side into 4 ohms and 500W into 8 ohms

Key Features:

  • 500w per ch. at 8 ohms
  • 700w per ch. at 4 ohms
  • Optimized for maximum real-world headroom into 4- and 8-ohm speaker systems
  • Inputs: XLR, 1/4" TRS and phono input connectors
  • Binding posts support all other speaker wiring systems
  • Fits in compact, inexpensive effects racks
  • Lightweight
  • 3 + 3 year warranty

6 year warranty

    view all QSC products

    Product Code: 400009160

    Want delivery on Fri 15th of Dec? Order in the next and select Next Day Delivery.

    Availability: Low Stock!!

    £396.00

    The new range of quality yet affordable amplifiers from QSC. The GX5 gives 700W per side into 4 ohms and 500W into 8 ohms.

    GX Series amplifiers are ideal for professional entertainers who require maximum performance and portability on a limited budget. They boast professional audio quality, meticulous engineering, precision manufacturing and long-term reliability. The amplifier is lightweight and compact, fitting most inexpensive racks.

  • Power levels matched to the most popular speakers used by entertainers
  • Optimized for maximum real-world headroom into 4- and 8-ohm speaker systems
  • Inputs: XLR, 1/4" TRS and phono input connectors
  • Binding posts support all other speaker wiring systems
  • Detented gain controls for precise setting and matching of sensitivity
  • GuardRail™ automatically protects the amplifier and loudspeakers from damage
  • Front panel LEDs monitor power, signal, and clipping
  • Subwoofer/satellite crossover built-in
  • GX Series
    SPECIFICATIONSGX5
    8 ohms / 1 kHz (both channels driven) 500 W (per channel)
    8 ohms / 1 kHz (single channels driven) 600 W (per channel)
    4 ohms / 1 kHz (both channels driven) 700 W (per channel)
    4 ohms / 1 kHz (single channels driven) 850 W (per channel)
    Distortion (typical)

    20 Hz - 20 kHz, 1 dB below rated power
    8 ohms: less than 0.05%


    4 ohms: less than 0.1%
    Signal to Noise (20 Hz - 20 kHz) 100 dB
    Input Sensitivity 1.2 Vrms
    Voltage Gain (8 ohms) 34.4 dB
    Output Circuitry 2-tier Class H
    Power Requirements (1/8 power, pink noise at 4 ohms, 120V) 6A
    Frequency Response 20 Hz - 20 kHz, +0, -1 dB
    Dynamic Headroom (4 ohms) 2 dB
    Input Impedance (ohms) Greater than 20k (balanced)
    Maximum Input Level +24 dB (16 Vrms)
    Input Connectors (each channel) 3-pin XLR and 1/4" TRS, balanced, parallel

    Phono, unbalanced
    Output Connectors (each channel)  
    Amplifier and Load Protection Short circuit, open circuit, thermal, RF protection

    Load protected against DC faults
    Front Panel Controls and Indicators Gain controls, 21 detents

    Red Clip LEDs, proportional, 0.1% THD threshold

    Green Signal LEDs, threshold -35 dB

    Blue Power LED, AC on
    Rear Panel Controls  
    Dimensions Height: 3.5" (89 mm) 2RU

    Width: 19" (483 mm)

    Depth: 10.1" (257 mm)
    Weight Net: 26 lbs (12 kg)

    Shipping: 31 lbs (14 kg)
    Agency Approvals UL, CE, RoHS/WEEE Compliant
    AC Power Consumption

    AC Current and Heating, 120 VAC
      GX3 GX5
    Operating Condition BTU / hr AC amps BTU / hr
    Idle 44 0.3 60
    8 + 8 ohms, 1/8 power 1 904 3.3 734
    8 + 8 ohms, 1/3 power 2 1160 8.5 1456
    8 + 8 ohms, full power 3 1109 16.2 1891
    4 + 4 ohms, 1/8 power 1 1515 5.8 1160
    4 + 4 ohms, 1/3 power 2 2105 11.2 2162
    4 + 4 ohms, full power 3 2297 24.5 3754

    1 1/8 power represents typical operating conditions

    2 1/3 power represents peak program levels

    3 Full power is breaker limited to short periods


    For 230 V, multiply AC current by 0.5

    For 100 V, multiply AC current by 1.25
  • Power levels matched to the most popular speakers used by entertainers
  • Optimized for maximum real-world headroom into 4- and 8-ohm speaker systems
  • Inputs: XLR, 1/4" TRS and phono input connectors for compatibility with any source
  • Outputs: Speakon® combo accepts 1/4" (TS) plugs or Speakon 2- and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems
  • Minimum depth chassis (10.1" / 257 mm) fits in compact, inexpensive effects racks
  • Lightweight - GX3 and GX5 less than 26 lb (12.5 kg). GX7 only 15.5 lb (7 kg)*
  • Detented gain controls for precise setting and matching of sensitivity
  • GuardRail™ automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show
  • Front panel LEDs monitor power, signal, and clipping
  • Subwoofer/satellite crossover built-in
  • FINANCE CALCULATOR

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