Open Box QSC GXD 4 Professional Power Amplifier

Lightweight, powerful and affordable are the chief defining characteristics of the QSC GXD series amplifiers. The GXD 4 is sure to become a favorite with bands, DJs and sound reinforcement professionals of all kinds.

• 8 Ohms dynamic, both channels driven: 600 watts
• 4 Ohms dynamic, both channels driven:: 800 watts
• 8 Ohms continuous, both channels driven: 400 watts
• 4 Ohms continuous, both channels driven: 600 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
• Maximum Voltage Gain: 33.5 dB
• Output Circuitry: Class D
• Power Requirements: 1/8 power at 4Î
• - 100 V AC: 3.4 A
• - 120 V AC: 2.9 A
• - 230 V AC: 1.6 A
• Frequency Response (20 Hz“20 kHz): +0.7 dB, -0.8 dB
• Dynamic Headroom (4 Ohms): 1.25 dB
• Damping Factor (8 Ohms): 100
• Input Impedance: 20 kÎ (balanced), 10 k Ohms (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, aggressiveness, 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)
• Weight - Shipping: 15.4 lb (7.0 kg)
• Agency Approvals: UL, CE, RoHS/WEEE compliant
• Carton and Contents: Power cable and quick start guide

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