QSC GXD8 800W 2 Channel DSP Power Amp

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The GXD Series GXD8 power amplifier is ideal for portable sound reinforcement applications and installations with demanding DSP requirements and flexibility at a cost-effective price.

The high-performance GXD8 provides enormous Class D power in a lightweight and efficient package. The universal switchmode power supply helps reduce the weight, increase efficiency, and ensures rock-solid continued operation even with poor power conditions.

The addition of on-board DSP processing with an easy-to-use interface offers powerful tools like Crossover and EQ filters, Delay, and Power Limiting that allow the user to configure the amplifier and maximize the performance of their loudspeakers.

The GXD8 is engineered to meet any demanding application and provide excellent power and legendary QSC reliability, in an efficient, lightweight, and flexible package.

QSC GXD8 Features:

  • 800W/channel @ 8 ohms, 1200W/channel @ 4 ohms, 4500W total peak power
  • Power levels matched to the most popular speakers & optimized for maximum headroom
  • Class D output stage with USP for high performance/efficiency
  • Extensive and powerful DSP including high- and low-pass filters, 4-band parametric EQ, limiting & delay
  • Precision rotary encorders for gain and DSP control

QSC GXD8 Specifications:

  • Stereo Mode - Watts Per Channel:
    • 8 Ohm Peak, Both Channels Driven: 1500 Watts
    • 4 Ohm Peak, Both Channels Driven: 2250 Watts
    • 8 Ohm Continuous, Both Channels Driven: 800 Watts
    • 4 Ohm Continuous, Both Channels Driven: 1200 Watts
  • Distortion (typical, 1 kHz at full rated power): < 1% THD
  • Signal-to-Noise Ratio (A-weighted, 20 Hz - 20 kHz): 100 dB
  • Input Sensitivity: 1.2 Vrms, 3.9 Vrms
  • Voltage Gain (8 Ohms): 33.5 dB
  • Output Circuitry: Class D
  • Power Requirements - 1/8 Power at 4Ohms:
    • 100 VAC: 6.2 Amps
    • 120 VAC: 5.6 Amps
    • 230 VAC: 3.2 Amps
  • Frequency Response: 20 Hz - 20 kHz, +0.7 dB,-0.8 dB
  • Dynamic Headroom (4 Ohms): 2.73 dB
  • Damping Factor: 100
  • Input Impedance: 20 kOhms (balanced), 10 kOhms (unbalanced)
  • Maximum Input Level: +23.5 dBu
  • Input Connectors (each channel): 3-pin XLRF / 1/4" TRS, balanced
  • Output Connectors (each channel): NL4 (Channel1 - 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:
    • 2x Rotary Encoders
    • 3x Operational Buttons (HOME, ENTER, EXIT)
    • 2x Green Signal LEDs, indicates signal presence
    • 2x 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 panel
  • 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 (H x W x D): 3.5" (2U) x 19" x 10.2" (89 x 483 x 259 mm)
  • Weight: 13.2 lbs. (6.0 kg)
  • Agency Approvals: UL, CE, RoHS/WEEE Compliant
  • Carton and Contents: Power cable and quick start guide