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-inch TRS and phono input connectors for compatibility with any source
• Outputs: Speakon® combo accepts 1/4-inch (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-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

ModelGX3GX5GX7 Output power per channel8Ω continuous, both channels driven300 W500 W725 W4Ω continuous, both channels driven425 W700 W1000 WDistortion (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 dBInput Sensitivity1.2 V rmsVoltage Gain32.2 dB34.4 dB36.1 dBOutput CircuitryClass B2-tier Class H2-tier Class HPower Requirements (1/8 power, pink noise at 4 ohms, 120V)6.3 A6 A10.1 AFrequency Response20 Hz–20 kHz, +0, -1 dBDynamic Headroom (4 ohms)2 dBInput 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, unbalancedOutput Connectors (each channel)Speakon®, 1/4-inch, Binding postsAmplifier and Load ProtectionShort circuit, open circuit, thermal, RF protection
Load protected against DC faultsFront Panel Controls and IndicatorsGain controls, 21 detents
Red CLIP LEDs, proportional, 0.1% THD threshold
Green SIGNAL LEDs, threshold 35 dB below clipping
Blue POWER LED, AC onRear 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 inCarton Dimensions (H×W×D)610 × 380 × 153 mm
24 × 15 × 6 inNet Weight12.1 kg / 27 lb12.6 kg / 28 lb120V model:  7 kg / 15.5 lb
230V model:  7.5 kg / 16.5 lbShipping Weight13.2 kg / 29.1 lb14.5 kg / 32 lb120V model:  9.3 kg / 20.5 lb
230V model:  9.75 kg / 21.5 lbAgency ApprovalsUL, CE, RoHS/WEEE CompliantAC Current and Heating, 120 VAC
(multiply current by 0.5 for 230 VAC)GX3GX5GX7Operating ConditionAC ampsBTU/hourAC ampsBTU/hourAC ampsBTU/hourIdle0.2440.3600.6828 + 8 ohms, 1/8 power 14.19043.37346.711698 + 8 ohms, 1/3 power 26.111608.5145613.318078 + 8 ohms, full power 39.75110916.2189126.521674 + 4 ohms, 1/8 power 16.315155.8116010.119634 + 4 ohms, 1/3 power 29.4210511.2216218.526124 + 4 ohms, full power 315.0229724.53754404478

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.