Lightweight, powerful and affordable are the chief defining characteristics of the QSC GXD series amplifiers. The GXD 4 is sure to become a favorite with bands, DJs and sound reinforcement professionals of all kinds.

• High peak output power with up to 1600 watts from the GXD 4 and a whopping 4500 Watts from the GXD 8.
• Power levels matched to the most popular loudspeakers and optimized for maximum real-world headroom into 4Ω and 8Ω speaker systems.
• Class D output stage with a universal power supply for high performance and efficiency.
• Extensive and powerful loudspeaker processing built in. Includes high and low-pass filters, 4-band parametric EQ, limiting, and delay.
• E Series Entertainment System DSP Tunings are now available for GXD processing amplifiers:

       - Visit the GXD Firmware Updater to download and update

• Large LCD display simplifies amplifier setup and indicates amp status.
• Inputs: Parallel XLR and 1/4-inch TRS connectors for compatibility with any source while providing convenient loop-thru capability.
• Precision rotary encoders for gain and DSP parameter control.
• Outputs: Professional binding post and NL4 connectors (compatible with NL2) provide for mono and bi-amp speaker connections.
• Digital limiting automatically protects the amplifier from damage due to temperature rise or overdrive.
• Adjustable speaker protection to match your loudspeaker’s power and impedance.
• Front panel LEDs indicate signal presence, input overload, and amplifier clipping.

• 8Ω dynamic, both channels driven: 600 W
• 4Ω dynamic, both channels driven: 800 W
• 8Ω continuous, both channels driven: 400 W
• 4Ω continuous, both channels driven: 600 W
• Distortion (typical) 1 kHz at full rated power: < 1% THD
• Signal to Noise (A weighted, 20 Hz–20 kHz): 100 dB
• Input Sensitivity: 1.2 Vrms
• Maximum Voltage Gain: 33.5 dB
• Output Circuitry: Class D
• Power Requirements : 1/8 power at 4Ω
• - 100 V AC: 3.4 A
• - 120 V AC: 2.9 A
• - 230 V AC: 1.6 A
• Frequency Response:
• (20 Hz–20 kHz): +0.7 dB, -0.8 dB
• Dynamic Headroom (4Ω): 1.25 dB
• Damping Factor (8Ω): 100
• Input Impedance: 20 kΩ (balanced), 10 kΩ (unbalanced)
• Maximum Input Level: +23.5 dBu
• Input Connectors (each channel): 3-pin XLR/F / 1/4-inch TRS, balanced
• Output Connectors (each channel): NL4, binding posts, NL4 pinout: •  Channel A on 1+, 1-; Channel B on 2+, 2-, Channel B on 1+, 1-
• Amplifier and Load Protection: Short circuit, open circuit, thermal, RF protection Load protected against DC faults
• Front Panel Controls and Indicators: 2 × Rotary Encoders, 3 × Operational buttons (HOME, ENTER, EXIT), 2 × Green Signal LEDs indicate signal presence, 2 × Red A/D Clip LEDs indicate input over-drive and/or amplifier current clipping, Blue Power LED ring indicates AC on, 2.12-inch × 1.0-inch, 256 × 128 pixel LCD
• DSP Functions: High-pass filter, 4th-order Linkwitz-Riley, adjustable frequency 20 Hz to 4 kHz, Low-pass filter, 4th-order Linkwitz-Riley,, adjustable frequency 60 Hz to 4 kHz, 4-band parametric EQ with variable frequency, gain, and bandwidth, Peak limiter with power, aggressiveness, and impedance selection, Delay 50 msec max.
• Product Dimensions (H×W×D): 89 × 483 × 259 mm, 3.5 (2 RU) × 19 × 10.2 in
• Carton Dimensions (H×W×D): 600 × 370 × 153 mm, 23.6 × 14.6 × 6 in
• Net Weight: 5.1 kg / 11.3 lb
• Shipping Weight: 7 kg / 15.4 lb
• Agency Approvals: UL, CE, RoHS/WEEE compliant
• Carton and Contents: Power cable and quick start guide