GX3 425W 2-channel Power Amplifier

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  • Regular price $349.99
  • 3 available

  • QSC GX3 425-watt Power Amplifier Features:
    • Power levels matched to the most popular speakers
    • Optimized for maximum real-world headroom into 4 ohm 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-pole 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 - less than 30 lbs.
    • 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
    • Power at 4 ohms/1kHz (both channels driven): 425W
    • Distortion (typical): 20Hz-20kHz, 1dB below rated power


    • Dynamic headroom (4 ohms): 2dB
    • Input impedance (ohms): reater 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)
      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 -35dB; blue power LED, AC on
    • Rear panel controls: Full range/crossover switch
      100Hz, 3rd order LP (sub), 2nd order HP (top)


    • Dimensions" Height: 3.5"/2RU;
      width: 19"; depth: 10.1"
    • Net weight: 27 lbs.