The GXD8 amplifier from QSC is dependable and versatile enough for any professional audio application. Whether you're installing a house of worship system or building your band's portable PA, you'll come to rely on the sound and convenience the GXD8 provides. QSC packs 4500 watts of Class-D power along with flexible digital signal processing - you don't have to plug in your laptop or lug around racks of outboard gear, you can configure your system right from the amp. Sweetwater helps customers choose amps every day and we agree that QSC's GXD8 amplifier delivers unrivaled sound that's truly affordable.

• 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 parametric EQ, limiting, and delay.
• E Series Entertainment System DSP Tunings are now available for GXD processing amplifiers:

    - Visit the GXD Firmware Updater to download and update

• Large LCD display simplifies amplifier setup and indicates amp status.
• Inputs: Parallel XLR and 1/4-inch 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.

• 8Ω dynamic, both channels driven: 1500 W
• 4Ω dynamic, both channels driven: 2250 W
• 8Ω continuous, both channels driven: 800 W
• 4Ω continuous, both channels driven: 1200 W
• Distortion (typical):
• 1 kHz at full rated power:< 1% THD 
• Signal to Noise:
• (A weighted, 20 Hz–20 kHz): 100 dB 
• Input Sensitivity: 3.9 Vrms
• Maximum Voltage Gain: 36.5dB
• Output Circuitry: Class D
• Power Requirements : 1/8 power at 4Ω
• - 100 V AC: 6.2 A
• - 120 V AC: 5.6 A
• - 230 V AC: 3.2 A
• Frequency Response:
• (20 Hz–20 kHz): +0.7 dB, -0.8 dB
• Dynamic Headroom (4Ω): 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-inch 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-inch × 1.0-inch, 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, aggressiveness, and impedance selection, Delay 50 msec max.
• Product Dimensions (H×W×D): 89 × 483 × 259 mm, 3.5 (2 RU) × 19 × 10.2 in
• Carton Dimensions (H×W×D): 600 × 370 × 153 mm, 23.6 × 14.6 × 6 in
• Net Weight: 6 kg / 13.2 lb
• Shipping Weight: 7.9 kg / 17.4 lb
• Agency Approvals: UL, CE, RoHS/WEEE compliant
• Carton and Contents: Power cable and quick start guide