QSC GXD SERIES

 

SPECIFICATIONS GXD 4 GXD 8
  Output power per channel
8Ω dynamic, both channels driven 600 W 1500 W
4Ω dynamic, both channels driven 800 W 2250 W
8Ω continuous, both channels driven 400 W 800 W
4Ω continuous, both channels driven 600 W 1200 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, 3.9 Vrms 
Maximum Voltage Gain 33.5 dB 36.5 dB
Output Circuitry Class D
Power Requirements 1/8 power at 4Ω
- 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
(20 Hz–20 kHz)
+0.7 dB, -0.8 dB
Dynamic Headroom (4Ω) 1.25 dB 2.73 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, agressiveness, 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 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