QSC GX5 Power Amplifier

QSC GX5 Power Amplifier

  • 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 two poles only). Binding posts support all other speaker wiring systems
  • Minimum depth chassis (10.1" / 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
SKU: GX5
Brand: QSC
Department: Audio
Category: Amplifiers
Subcategory: Power Amplifiers

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PHP 35,250.00

All prices are in Philippine pesos (PHP) and include VAT. Shipping charges (if any) are extra.


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We ship orders nationwide at competitive rates via trusted freight/courier to ensure that your order arrives at your doorstep on the time and in excellent condition. Accredited couriers are Lalamove, Grab, LBC, Abest, APcargo (Outside Metro Manila). Rates charges and lead time shall depend upon your chosen accredited courier.


The QSC GX5 Stereo Power Amplifier is ideal for professional entertainers who require maximum performance and portability on a limited budget. It’s all here – dramatic styling, easy hookup and adjustments, excellent audio quality and QSC reliability.

GX amplifiers deliver just the right amount of power to the most popular speakers used by entertainers. Most loudspeaker manufacturers recommend an amplifier with power output equal to the speaker’s Program (Music) Power rating or two times (2 x) the Continuous (RMS) Power rating. The GX5 supplies maximum possible power to 4 ohm and 8 ohm loads. Owners of popular 4 ohm loudspeakers (dual-woofer, two-way models and many subwoofers) will find the 700 watt (4 ohm) power of the GX5 an ideal match.

Technical Notes
The GX5 uses a Class H system, based on key elements of the PL Series, (PLX, PL3, CX, DCA) almost doubling power in the same size and weight. QSC design expertise allows the output devices to shift from low-power to high-power rails in less than a millionth of a second, ensuring that the output power is always right where it needs to be without excess loss.

GuardRail
GuardRail protection delivers full peak power while preventing detrimental overloads. During excessive clipping, or extreme overheating, GuardRail reduces gain just enough to preserve the integrity of the music, protect the speakers and keep the audience excited, without unprofessional distortion levels or shutdowns.

Subwoofer/Satellite Crossover
A subwoofer reduces strain on the full-range speaker, allowing it to play louder, or letting a smaller speaker do the same job. The GX Series supports this mode with a Crossover switch that splits the full-range input - sending 20 Hz -100 Hz to the sub (Ch 1) and 100 Hz - 20 kHz to the top box (Ch 2). The front panel gain controls balance the sub and top box, while GuardRail optimizes peak power into the sub and top individually, for greater musical impact and dynamic range

Output power per channel:
8 ohms / 1 kHz (both channels driven): 500 W
8 ohms / 1 kHz (single channel driven): 600 W
4 ohms / 1 kHz (both channels driven): 700 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: 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 kΩ (balanced)

Maximum Input Level: +24 dBu (16 V rms)

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 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
Height: 3.5" (89 mm) 2RU
Width: 19" (483 mm)
Depth: 10.1" (257 mm)

Agency Approvals: UL, CE, RoHS/WEEE Compliant

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For more than 10 years Definitive Audio Video Solutions Inc. has been providing a wide array of audio, video and lighting products, services and solutions to individuals, companies, organizations and institutions throughout the Philippines.

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We ship orders nationwide at competitive rates via trusted freight / courier services to ensure that your order arrives at your doorstep on time and in excellent condition.

Contact Us

#81 Senegal Street, Greenheights Subdivision, Nangka, Marikina City

  + 63 2 703-07-30

  + 63 2 400-97-51

  + 63 2 543-90-66

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