Skip to main content
Play Video
QSC QSC

Open-Box QSC GX3 Stereo Power Amplifier

We're sorry-this item is unavailable.
Contact our experts for a recommendation of great alternatives. Call us at 800-449-9128.

Overview

Maximum performance at a modest price, plus flexible I/O.

The GX3 stereo power amplifier from QSC offers everything performers need to electrify their live shows with 300W per channel of power, while remaining light enough to transport between gigs. Opti

Show More
Specs

GX3 Stereo Power Amplifier Specifications:

Power Rating
  • 8 ohm / both channels driven / 1kHz: 300W
  • 8 ohm / single channel driven / 1kHz: 350W
  • 4 ohm / both channels driven / 1kHz; 425W
  • 4 ohm / single channel driven / 1kHz; 500W
  • 2 ohm / both channels driven / 1kHz; 200W
  • Distortion (typical): 20Hz–20kHz: 1dB below rated power 8 ohm: less than 0.05%/4 ohm: less than 0.1%
  • Signal to Noise: (20Hz–20 kHz) 100dB
  • Input Sensitivity: 1.2 Vrms
  • Voltage Gain: (8 ohm) 32.2dB
  • Output Circuitry: Class B
  • Power Requirements: (1/8 power, pink noise at 4 ohm, 120V) 6.3A
  • Frequency Response: 20 Hz–20 kHz, +0, 1dB
  • Dynamic Headroom (4 ohm): 2dB
  • Damping Factor: 100
  • Input Impedance (ohm): Greater than 20k (balanced)
  • Maximum Input Level: +24dB (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 -35dB
  • Blue Power LED, AC on
  • Rear Panel Controls: Full Range / Crossover switch
  • 100 Hz, 3rd order LP (sub), 2nd order HP (top)
  • Dimensions (HWD): 3.5" (2RU) x 19" x 10.1" (89 mm x 483 mm x 257 mm)
  • Weight: Shipping / Net 30 (13.5 kg) / 25 lb. (11.5 kg) Agency Approvals: UL, CE, RoHS/WEEE compliant
Q&A

Questions & Answers

Do you have questions about this product?

Shop with a Friend
Free Shipping
  • Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
  • Orders placed before 3 p.m. ET usually ship the same business day.
Learn More
2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details
We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us
Proactive Advisor Support Chat