About: QSC GXD4 Power Amplifier with DSP (1600w)
The GXD packs a lot of punch with its DSP processing and whopping 1600W. Use it to power your church PA, club PA, restuarant, bar, shopping mall - the list just goes on!
High peak output power with up to 1600 Watts
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 & Low-Pass filters, 4-band PEQ, Limiting, and Delay
Large LCD display simplifies amplifier setup and indicates amp status
Inputs: Parallel XLR and 1/4” 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
GXD 4
GXD 8
Stereo Mode - Watts per channel
 
 
8Ω dynamic, both channels driven

600 Watts

1500 Watts
4Ω dynamic, both channels driven
800 Watts
2250 Watts
8Ω continuous, both channels driven
400 Watts
800 Watts
4Ω continuous, both channels driven
600 Watts
1200 Watts
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
 
Voltage Gain (8Ω)
33.5 dB
33.5 dB
Output Circuitry
Class D
Class D
Power Requirements: 1/8 power at 4Ω
- 100 Vac
3.4 Amps
6.2 Amps
- 120 Vac
2.9 Amps
5.6 Amps
- 230 Vac
1.6 Amps
3.2 Amps
Frequency Response (20 Hz – 20 kHz)
+0.7 dB, -0.8 dB
Dynamic Headroom (4Ω)
1.25 dB
2.73 dB
Damping Factor
100
Input Impedance (Ω)
20k (balanced), 10k (unbalanced)
Maximum Input Level
+23.5 dBu
Input Connectors (each channel)
3-pin XLR/F / 1/4" TRS, balanced
Output Connectors (each channel)
NL4 (Channel 1 - 1+/-, Channel 2 - 2+/-), binding posts
Amplifier and Load Protection
Short circuit, open circuit, thermal, RF protection
Load protected against DC faults
Front Panel Controls and Indicators
2 x Rotary Encoders
3 x Operational buttons (HOME, ENTER, EXIT)
2 x Green Signal LEDs, indicate signal presence
2 x Red A/D Clip LEDs, indicate input over-drive and/or amplifier current clipping
Blue Power LED ring, AC on
2.12" x 1.0", 256 x 128 pixel LCD
DSP Functions
High Pass Filter, 4th order LR, adjustable Frequency 20 Hz to 4 kHz
Low Pass Filter, 4th order LR, adjustable Frequency 60 Hz to 4 kHz
4-band PEQ, with variable Frequency, Gain, and Bandwidth
Peak Limiter, with Power, Agressiveness, and Impedance selection
Delay 50 msec max.
Dimensions (HWD)
3.5" (2 RU) x 19" x 10.2" (89 mm x 483 mm x 259 mm)
Weight (Net)
11.3 lb (5.1 kg)
13.2 lb (6.0 kg)
Weight - Shipping
15.4 lb (7.0 kg)
17.3 lb (7.8 kg)
Agency Approvals
UL, CE, RoHS/WEEE compliant
Carton and Contents
Power cable, and quick start guide