• 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 – 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

Please see manufacturer’s product page for more information HERE.

Output power per channel
8Ω continous, both channels driven500 W
4Ω continous, both channels driven700 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 Sensitivity1.2 V rms
Voltage Gain34.4 dB
Output Circuitry2-tier Class H
Power Requirements (1/8 power, pink noise at 4 ohms, 120V)6 A
Frequency Response20 Hz–20 kHz, +0, -1 dB
Dynamic Headroom (4 ohms)2 dB
Input ImpedanceGreater than 20 kΩ (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 ProtectionShort circuit, open circuit, thermal, RF protection
Load protected against DC faults
Front Panel Controls and IndicatorsGain controls, 21 detents
Red CLIP LEDs, proportional, 0.1% THD threshold
Green SIGNAL LEDs, threshold 35 dB below clipping
Rear Panel ControlsFull Range / Crossover switch
100 Hz, 3rd order LP (sub), 2nd order HP (top)
Product Dimensions (H×W×D)89 × 483 × 257 mm
3.5 × 19 × 10.1 in
Net Weight12.6 kg / 28 lb
Agency ApprovalsUL, CE, RoHS/WEEE Compliant
AC Current and Heating, 120 VAC
(multiply current by 0.5 for 230 VAC)
Operating Condition
IdleAC amps-0.3


8 + 8 ohms, 1/8 power 1AC amps-3.3


8 + 8 ohms, 1/3 power 2AC amps-8.5


8 + 8 ohms, full power 3AC amps-16.2


4 + 4 ohms, 1/8 power 1AC amps-5.8


4 + 4 ohms, 1/3 power 2AC amps-11.2


4 + 4 ohms, full power 3AC amps-24.5