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QSC GXD4 Power Amplifier with DSP (1600w)

Model: QSC GXD4

QSC GXD4 Power Amplifier with DSP (1600w)
QSC GXD4 Power Amplifier with DSP (1600w)
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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
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
QSC GX & GXDSeries Power Handling
  Both channels driven Single channel driven
GX3 300w 425w 350w 500w
GX5 500w 700w 600w 850w
GX7 725w 1000w 800w 1250w
GXD4 600w 800w    
GXD8 1500w 2250w    

UPC: 684284064899

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Warranty: QSC GXD4 Power Amplifier with DSP (1600w) Warranty:

30 Days

Manufacturer's Warranty:

  • Amplifiers and Speakers: 3-year limited
  • Mixers and CP Series speakers: 1-year limited
  • RMXa, CMXa, PLX2, GX, GXD, K, KW, K.2 and KS: 3-year limited + additional 3 years of warranty upon registration on the QSC website for a total of 6 years limited warranty**
  • TouchMix-8, TouchMix-16, TouchMix-30 Pro: 1-year limited + additional 2 years of warranty upon registration on the QSC website for a total of 3 years limited warranty**
  • CP8 and CP12: 1-year limited + additional 5 years of warranty upon registration on the QSC website for a total of 6 years limited warranty**
  • Accessories: 90 days limited

**Registration on QSC website must be completed within 30 days of purchase**