Power levels matched to the most popular speakers. Inputs: XLR, 1/4-inch TRS and phono. Outputs: Speakon® combo and binding posts. 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 * 230V 16.5 lb (7.5 kg) SPECIFICATIONS GX3 GX5 GX7 Output power per channel 8Ω continous, both channels driven 300 W 500 W 725 W 4Ω continous, both channels driven 425 W 700 W 1000 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 Sensitivity 1.2 V rms Voltage Gain 32.2 dB 34.4 dB 36.1 dB Output Circuitry Class B 2-tier Class H 2-tier Class H Power Requirements (1/8 power, pink noise at 4 ohms, 120V) 6.3 A 6 A 10.1 A Frequency Response 20 Hz–20 kHz, +0, -1 dB Dynamic Headroom (4 ohms) 2 dB Input Impedance Greater 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, parallelPhono, unbalanced Output Connectors (each channel) Speakon®, 1/4-inch, Binding posts Amplifier and Load Protection Short circuit, open circuit, thermal, RF protectionLoad protected against DC faults Front Panel Controls and Indicators Gain controls, 21 detentsRed CLIP LEDs, proportional, 0.1% THD thresholdGreen SIGNAL LEDs, threshold 35 dB below clippingBlue POWER LED, AC on Rear Panel Controls Full Range / Crossover switch100 Hz, 3rd order LP (sub), 2nd order HP (top) Product Dimensions (H×W×D) 89 × 483 × 257 mm3.5 × 19 × 10.1 in Carton Dimensions (H×W×D) 610 × 380 × 153 mm24 × 15 × 6 in Net Weight 12.1 kg / 27 lb 12.6 kg / 28 lb 120V model: 7 kg / 15.5 lb230V model: 7.5 kg / 16.5 lb Shipping Weight 13.2 kg / 29.1 lb 14.5 kg / 32 lb 120V model: 9.3 kg / 20.5 lb230V model: 9.75 kg / 21.5 lb Agency Approvals UL, CE, RoHS/WEEE Compliant AC Current and Heating, 120 VAC(multiply current by 0.5 for 230 VAC) GX3 GX5 GX7 Operating Condition AC amps BTU/hour AC amps BTU/hour AC amps BTU/hour Idle 0.2 44 0.3 60 0.6 82 8 + 8 ohms, 1/8 power 1 4.1 904 3.3 734 6.7 1169 8 + 8 ohms, 1/3 power 2 6.1 1160 8.5 1456 13.3 1807 8 + 8 ohms, full power 3 9.75 1109 16.2 1891 26.5 2167 4 + 4 ohms, 1/8 power 1 6.3 1515 5.8 1160 10.1 1963 4 + 4 ohms, 1/3 power 2 9.4 2105 11.2 2162 18.5 2612 4 + 4 ohms, full power 3 15.0 2297 24.5 3754 40 4478 1 1/8 power represents typical maximum operating conditions2 1/3 power represents over-driven program levels3 Full power is breaker limited to short periodsFor 230 V, multiply AC current by 0.5For 100 V, multiply AC current by 1.25 All specifications are subject to change without notice.