QSC GX5 500W Power Amplifier, 8 Ohms

QSC GX5 500W Power Amplifier, 8 Ohms

The QSC GX5 is a versatile two-channel amplifier delivering up to 500 W per channel into 8 Ω with industry-leading reliability and real-world headroom. Optimized for portable and installed systems, it supports XLR, 1/4-Inch TRS, and phono inputs, and offers Speakon® combo outputs alongside binding posts for flexible speaker connections. Featuring GuardRail™ protection, this lightweight amplifier ensures durable performance without shutdowns under extreme conditions.

Designed for compact equipment racks and on-the-road applications, the GX5 combines high efficiency with professional-grade audio quality. Its built-in subwoofer/satellite crossover and detented gain controls simplify integration and tuning, making it ideal for entertainers, rental companies, and AV professionals seeking dependable power amplification.

Key Features

• 500 W continuous per channel into 8 Ω; 700 W into 4 Ω
• Inputs: 3-pin XLR, 1/4-Inch TRS, and phono connectors
• Outputs: Speakon® combo (2‑pole/4‑pole) and binding posts
• GuardRail™ multi-parameter protection against temperature rise and overdrive
• Detented gain controls for precise sensitivity matching
• Subwoofer/satellite crossover: 100 Hz, 3rd order LP / 2nd order HP
• Front panel LEDs for power, signal, and clipping status
• Shallow chassis depth: 10.1-Inch to fit in compact racks

Technical Specifications

• Frequency Response: 20 Hz–20 kHz, ±1 dB
• Signal-to-Noise Ratio: 100 dB (20 Hz–20 kHz)
• Input Sensitivity: 1.2 V rms
• Voltage Gain: 34.4 dB
• Input Impedance: > 20 kΩ (balanced)
• Maximum Input Level: +24 dBu
• Output Circuitry: 2‑tier Class H
• Protection: Short circuit, open circuit, thermal, RF, DC fault
• Power Requirement: 6 A at 120 VAC (1/8 power pink noise)
• Agency Approvals: UL, CE, RoHS/WEEE compliant