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QSC GXD 4 Power Amplifier

The GXD 4 is a reliable and versatile power amplifier, ideal for both installed and portable applications

Key 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 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. 
  • 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.
  • 3 + 3 year warranty

6 year warranty

    view all QSC products

    Product Code: 100255442

    Want delivery on Wed 25th of Oct? Order in the next and select Next Day Delivery.

    Availability: Low Stock!!

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    £484.00
    The GSC GXD 4 Power Amplifier is a reliable and versatile piece of professional audio equipment, ideal for both installed and portable applications. It features 1600 maximum peak power output and has power levels matched to the most popular loudspeakers and is optimised for maximum headroom into 4 and 8 ohm speaker systems.
     
    • 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 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 and low-pass filters, 4-band parameteric EQ, 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.
     

     

    SPECIFICATIONSGXD 4GXD 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  
    Maximum Voltage Gain 33.5 dB 36.5 dB
    Output Circuitry Class D 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" 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" × 1.0", 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.
    Dimensions (HWD) 3.5" (2 RU) × 19" × 10.2" (89 mm × 483 mm × 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
    • 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 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 and low-pass filters, 4-band parameteric EQ, 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.

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