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QSC GX7 Power Amplifier

The GX7's 1000 watts will very capably power many of today's popular subwoofers or two typical 8 ohm speakers per channel

Key Features:

  • 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
  • Fits in compact, inexpensive effects racks
  • Lightweight
  • 3 + 3 year warranty

6 year warranty

    view all QSC products

    Product Code: 400009170

    Want delivery on Mon 18th of Dec? Order in the next and select Next Day Delivery.

    Availability: Low Stock!!

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    £598.00

    GX amplifiers deliver just the right amount of power to the most popular speakers used by entertainers. The GX7's 1000 watts will very capably power many of today's popular subwoofers or two typical 8 ohm speakers per channel.

    The GX7 adds the road-proven PowerLight supply to the Class H output section, for more overall output power and additional weight savings. The result is one of the highest power-to-weight ratios in the industry. A low-noise variable-speed fan with rear-to-front airflow keeps amplifiers and racks cool.

  • 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
  • SPECIFICATIONS GX7
      Output power per channel
    8 ohms / 1 kHz (both channels driven) 725 W
    8 ohms / 1 kHz (single channel driven) 800 W
    4 ohms / 1 kHz (both channels driven) 1000 W
    4 ohms / 1 kHz (single channel driven) 1200 W
    Distortion (1 dB below rated power, 1 kHz) 8 ohms: less than 0.02%
    4 ohms: less than 0.05%
    Signal to Noise (20 Hz - 20 kHz) 100 dB
    Input Sensitivity 1.2 V rms
    Voltage Gain 36.1 dB
    Output Circuitry 2-tier Class H
    Power Requirements (1/8 power, pink noise at 4 ohms, 120V) 10.1 A
    Frequency Response 20 Hz–20 kHz, +0, -1 dB
    Dynamic Headroom (4 ohms) 2 dB
    Input Impedance Greater than 20 kΩ (balanced)
    Maximum Input Level +24 dBu (16 V rms)
    Input Connectors (each channel) 3-pin XLR and 1/4" TRS, balanced, parallel
    Phono, unbalanced
    Output Connectors (each channel) Speakon®, 1/4", Binding posts
    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 below clipping
    Blue POWER LED, AC on
    Rear Panel Controls Full Range / Crossover switch
    100 Hz, 3rd order LP (sub), 2nd order HP (top)
    Dimensions Height: 3.5" (89 mm) 2RU
    Width: 19" (483 mm)
    Depth: 10.1" (257 mm)
    Weight 120V model:
    Net: 15.5 lb (7 kg)
    Shipping: 20.5 lb (9.3 kg) 
    230V model:
    Net: 16.5 lb (7.5 kg)
    Shipping: 21.5 lb (9.75 kg)
    Agency Approvals UL, CE, RoHS/WEEE Compliant
    AC Current and Heating, 120 VAC
    (multiply current by 0.5 for 230 VAC)
    GX7
    Operating Condition AC amps BTU/hour
    Idle 0.6 82
    8 + 8 ohms, 1/8 power 1 6.7 1169
    8 + 8 ohms, 1/3 power 2 13.3 1807
    8 + 8 ohms, full power 3 26.5 2167
    4 + 4 ohms, 1/8 power 1 10.1 1963
    4 + 4 ohms, 1/3 power 2 18.5 2612
    4 + 4 ohms, full power 3 40 4478

    1 1/8 power represents typical maximum operating conditions
    2 1/3 power represents over-driven 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

    All specifications are subject to change without notice.

  • 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 - 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
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