QSC GXD4 | 1600 Watts Power Amplifier

The QSC GXD4 is a powerhouse in the world of audio amplification, designed to meet the exacting demands of entertainment and production environments. Infused with the professional audio quality and engineering brilliance that QSC is renowned for, the GXD4 offers long-term reliability and integral signal processing in an exceptionally stylish and lightweight package. Whether used for live performances, studio recording, or any other audio application, this amplifier stands out as a marquee choice for delivering precise and robust sound.

The GXD4 is specifically optimized for 8 and 4 ohm loudspeaker loads, providing just the right amount of power to the most popular speakers used by entertainers and audio professionals. The Class D output stage, combined with a universal power supply, assures high performance and efficiency. It includes advanced digital signal processing and protection circuitry, ensuring that your audio experience is not only high-quality but also consistently reliable. The large LCD display simplifies setup and real-time status monitoring, making it extremely user-friendly even for those who may not be seasoned audio engineers.

Fully equipped with multiple routing options, precision rotary encoders, and both NL4 and binding post outputs, the GXD4 ensures compatibility with a wide range of audio systems and configurations. This amplifier also incorporates built-in high and low-pass filters, limiting, delay, and a 4-band parametric EQ, giving you total control over your audio output. With adjustable speaker protection and front panel LEDs that indicate signal presence, input overload, and amplifier clipping, the QSC GXD4 is engineered for safety and top-tier performance.

Key Features

• High peak output power up to 1600 watts.
• Power optimized for 8Ω and 4Ω speaker systems.
• Class D output stage with universal power supply for high performance and efficiency.
• Built-in extensive loudspeaker processing including high and low-pass filters, 4-band parametric EQ, limiting, and delay.
• Large LCD display for simplified setup and status indication.
• Parallel XLR and 1/4” TRS input connectors for compatibility with any source and convenient loop-thru capability.
• Precision rotary encoders for gain and DSP parameter control.
• Professional binding post and NL4 output connectors for mono and bi-amp speaker connections.
• Digital limiting for automatic amplifier protection.
• Front panel LEDs indicating signal presence, input overload, and amplifier clipping.

Specifications

• 8Ω dynamic power, both channels driven: 600 watts
• 4Ω dynamic power, both channels driven: 800 watts
• 8Ω continuous power, both channels driven: 400 watts
• 4Ω continuous power, both channels driven: 600 watts
• 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-
• 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, 2 × Red A/D Clip LEDs, Blue Power LED ring
• Digital Signal Processing (DSP) Functions: High-pass filter, Low-pass filter, 4-band parametric EQ, Peak limiter, Delay (50 msec max)
• Dimensions (HWD): 3.5" (2 RU) × 19" × 10.2" (89 mm × 483 mm × 259 mm)
• Net Weight: 11.3 lb (5.1 kg)
• Shipping Weight: 15.4 lb (7.0 kg)
• Agency Approvals: UL, CE, RoHS/WEEE compliant

Package Contents

• QSC GXD4 1600 Watts Power Amplifier
• Power cable
• Quick start guide