QSC GXD4
Features
- 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 4 and 8 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.
Specifications
Model | ||||||
Output power per channel | ||||||
8 dynamic, both channels driven | 600 W | 1500 W | ||||
4 dynamic, both channels driven | 800 W | 2250 W | ||||
8 continuous, both channels driven | 400 W | 800 W | ||||
4 continuous, both channels driven | 600 W | 1200 W | ||||
Distortion (typical) | < 1% THD | |||||
Signal to Noise | 100 dB | |||||
Input Sensitivity | 1.2 Vrms, 3.9 Vrms | |||||
Maximum Voltage Gain | 33.5 dB | 36.5 dB | ||||
Output Circuitry | Class D | |||||
Power Requirements | 1/8 power at 4 | |||||
- 100 V AC | 3.4 A | 6.2 A | ||||
- 120 V AC | 2.9 A | 5.6 A | ||||
- 230 V AC | 1.6 A | 3.2 A | ||||
Frequency Response | +0.7 dB, -0.8 dB | |||||
Dynamic Headroom (4) | 1.25 dB | 2.73 dB | ||||
Damping Factor (8) | 100 | |||||
Input Impedance | 20 k (balanced), 10 k (unbalanced) | |||||
Maximum Input Level | +23.5 dBu | |||||
Input Connectors | 3-pin XLR/F / 1/4-inch TRS, balanced | |||||
Output Connectors | NL4, binding posts | |||||
Amplifier and Load Protection | Short circuit, open circuit, thermal, RF protection | |||||
Front Panel Controls and Indicators | 2 × Rotary Encoders | |||||
DSP Functions | High-pass filter, 4th-order Linkwitz-Riley, | |||||
Product Dimensions (H×W×D) | 89 × 483 × 259 mm | |||||
Carton Dimensions (H×W×D) | 600 × 370 × 153 mm | |||||
Net Weight | 5.1 kg / 11.3 lb | 6 kg / 13.2 lb | ||||
Shipping Weight | 7 kg / 15.4 lb | 7.9 kg / 17.4 lb | ||||
Agency Approvals | UL, CE, RoHS/WEEE compliant | |||||
Carton and Contents | Power cable and quick start guide |