QSC GX5 500W Power Amplifier, 8 Ohms
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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
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