Everything in Music - Since 1958

QSC GX5 500 Watt Power Amplifier

  • Our Price
  • $499.99
  • Regular price MSRP: $599.99

• Inventory changes daily
Contact us for availability | tel: 301-946-8808
• Please allow for additional delivery time due to COVID 19

With Power Levels Matched to the Most Popular Speakers, the QSC GX5 Is Your Natural Fit

Portable, versatile, and powerful, the GX5 is an ideal complement for most speakers and systems at an incredible price.

  • Power levels matched to the most popular speakers used by entertainers
  • Optimized for maximum real-world headroom into 4 ohm and 8 ohm speaker systems
  • Inputs: XLR, 1/4-inch TRS and phono input connectors for compatibility with any source
  • Outputs: Speakon® combo accepts, 1/4-inch (TS) plugs or Speakon 2-pole and 4-pole plugs (connects two poles only). Binding posts support all other speaker wiring systems
  • Minimum depth chassis (10.1-inch / 257 mm) fits in compact, inexpensive effects racks
  • Lightweight - less than 26 lb (12.5 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


  • Output per Channel
    • 8 ohms/1 kHz (both channels driven): 500W
    • 8 ohms/1 kHz (single channel driven): 600W
    • 4 ohms/1 kHz (both channels driven): 700W
    • 4 ohms/1 kHz (single channel driven): 850W
  • Distortion (1 dB below rated power, 1 kHz): less than 0.02% (8 ohms), less than 0.05% (4 ohms)
  • Signal-to-Noise (20 Hz - 20 kHz): 100 dB
  • Input Sensitivity: 1.2 V rms
  • Voltage Gain: 34.4 dB
  • Output Circuitry: 2-tier Class H
  • Power Requirements (1/8 power, pink noise at 4 ohms, 120V): 6 A
  • Frequency Response: 20 Hz–20 kHz, +0, -1 dB
  • Dynamic Headroom (4 ohms): 2 dB
  • Input Impedance: Greater than 20 kOhm (balanced)
  • Maximum Input Level: +24 dBu (16 V rms)
  • Input Connectors (each channel)
    • 3-pin XLR and 1/4-inch TRS, balanced, parallel
    • Phono, unbalanced
  • Output Connectors (each channel): Speakon®, 1/4-inch, 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 (H x W x D): 89 × 483 × 257 mm (3.5 × 19 × 10.1 in)
  • Weight: 12.6 kg/28 lb

Manufacturer: QSC Audio
Model: GX5
SKU: I208368-0-WHXX

We are Chuck Levin's Washington Music Center

Maryland, Virginia, and Washington DC's legendary music shop. Family-owned and operated since 1958. Buy gear the way it was meant to be bought, from a store that's been there through it all and has the vibe to prove it. We're staffed with musicians and industry experts, people that live and breathe music gear. Our mission is to help you find the right gear for your project, that thing that will bring you the most joy out of what you do. We're an authorized dealer for almost every brand, we stock items the other stores don't, so you can try before you buy. Stop by our Wheaton, MD showroom and see for yourself.

Contact us if you have questions about one of our listings or if you need help finding the right piece of gear.