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 QSC GXD4 Processing Amplifier available for rent in Toronto with Quest Audio Visual

QSC GXD4 Processing Amplifier

As part of the E Series Entertainment System, the GXD amplifiers are ideal for entertainment and production applications. With integral signal processing and outstanding performance, the GXD amplifiers express all the hallmarks of the QSC brand – professional audio quality and long-term reliability. Add contemporary styling, multiple routing options, light weight, digital signal processing and advanced protection circuitry, and the GXD Series clearly represents real value – something everyone can use.


  • High peak output power with up to 1600 watts from the GXD 4.
  • Power levels matched to the most popular loudspeakers and optimized for maximum real-world headroom into 4Ω and 8Ω speaker systems
  • Class D output stage with a universal power supply for high performance and efficiency
  • Extensive and powerful loudspeaker processing built in. Includes high and low-pass filters, 4-band parameteric EQ, limiting, and delay.
  • Large LCD display simplifies amplifier setup and indicates amp status.
  • Inputs: Parallel XLR and 1/4-inch TRS connectors for compatibility with any source while providing convenient loop-thru capability.
  • Precision rotary encoders for gain and DSP parameter control.
  • Outputs: Professional binding post and NL4 connectors (compatible with NL2) provide for mono and bi-amp speaker connections.
  • Digital limiting automatically protects the amplifier from damage due to temperature rise or overdrive.
  • Adjustable speaker protection to match your loudspeaker’s power and impedance.
  • Front panel LEDs indicate signal presence, input overload, and amplifier clipping.


  • Signal to Noise (A-weighted, 20 Hz- 20 kHz) : 100 dB
  • Input Sensitivity : 1.2Vrms, 3.9Vrms
  • Voltage Gain (8Ω) : 33.5 dB
  • Frequency Response (20 Hz – 20 kHz) : +0.7 dB, -0.8 dB
  • Dynamic Headroom (4Ω) : 1.25 dB
  • Damping Factor : 100
  • Input Impedance (Ω) : 20k (balance), 10k (unbalance)
  • Maximum Input Level : +23.5 dBu
  • Input Connectors (each channel) : 3-pin XLR/F / 1/4" TRS, balanced
  • Output Connector (each channel) : NL4 (Channel 1- 1+/-, Chanel 2 - 2+/-), bindings posts
  • Dimensions : 3.5" x 19" x 10.2"
  • Weight : 15.4 lb (7.0 kg)

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