QSC GX3 Power Amplifier - 300 Watts

Maximum performance and portability on a limited budget
Ideal for speakers in the 300 watt (Program) range, supplying maximum possible power to 4 ohm and 8 ohm loads.
Availability: Ready to Ship
Regular Price $439.99 Special Price $349.99
The QSC GX3 Power Amplifier - 300 Watts delivers maximum performance and portability on a limited budget!

The QSC GX3 Power Amplifier - 300 Watts is ideal for speakers in the 300 watt (Program) range.
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Availability Ready to Ship
Manufacturer QSC
Technical Specifications View spec sheet
8 ohms / 1 kHz (both channels driven): 300 W
8 ohms / 1 kHz (single channels driven): 350 W
4 ohms / 1 kHz (both channels driven): 425 W
4 ohms / 1 kHz (single channels driven): 500 W
Distortion (typical) 20 Hz - 20 kHz 1 dB below rated power: 8 ohms: less than 0.05%; 4 ohms: less than 0.1%
Signal to Noise (20 Hz - 20 kHz): 100 dB
Input Sensitivity: 1.2 Vrms
Voltage Gain (8 ohms): 32.2 dB
Output Circuitry: Class B
Power Requirements (1/8 power pink noise at 4 ohms 120V): 6.3A
Frequency Response: 20 Hz - 20 kHz +0 -1 dB
Dynamic Headroom (4 ohms): 2 dB
Input Impedance (ohms): Greater than 20k (balanced)
Maximum Input Level: +24 dB (16 Vrms)
Input Connectors (each channel): 3-pin XLR and 1/4 TRS balanced parallel; Phono unbalanced
Output Connectors (each channel): Speakon« 1/4 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; Blue Power LED AC on
Rear Panel Controls: Full Range / Crossover switch; 100 Hz 3rd order LP (sub) 2nd order; HP (top)
Dimensions: Height: 3.5 (89 mm) 2RU; Width: 19 (483 mm); Depth: 10.1 (257 mm)
Weight: Net: 25 lbs (11.5 kg); Shipping: 30 lbs (13.5 kg)
Agency Approvals: UL CE RoHS/WEEE Compliant
Dimensions N/A
Features 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 TRS and phono input connectors for compatibility with any source
Outputs: Speakon« combo accepts 1/4 (TS) plugs or Speakon 2-pole and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems.
Minimum depth chassis (10.1 / 257 mm) fits in compact inexpensive effects racks
Lightweight û less than 26 lbs (12.5 kg)
Detented gain controls for precise setting and matching of sensitivity
GuardRailÖ 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
6 Year Warranty
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