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Studiomaster QX4-4000 4-Channel 1U Digital Power Amplifier (4 x 1700W @ 4 Ohms)

SKU QX4-4000
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Original price £1,269.00 (inc. VAT)
Original price £1,269.00 (inc. VAT) - Original price £1,269.00 (inc. VAT)
Original price £1,269.00 (inc. VAT)
Current price £1,024.00 (inc. VAT)
£1,024.00 (inc. VAT) - £1,024.00 (inc. VAT)
Current price £1,024.00 (inc. VAT)
DETAILS

The Studiomaster QX4-4000 is a high-power, four-channel digital amplifier engineered for professional installations, line array systems, and demanding rental or touring applications.

Compact Design with Massive Output

The QX4-4000 combines a sleek 1U form factor with remarkable power, delivering 4x1700 watts into 4 ohms. Lightweight at just 12kg, it’s easy to rack, transport, and deploy in a wide variety of audio setups, from multi-zone installations to high-output concert systems. Its advanced amplifier adjustment technology provides over 95% efficiency and stable performance at high current, low impedance conditions.

Flexible Configuration for Professional Use

This four-channel amplifier offers stereo, parallel, and bridged modes, providing full flexibility to adapt to a variety of system designs. With both 2 and 4 channel options available in the QX series, the QX4-4000 can be integrated into large-scale installations or used as a standalone powerhouse. Its internally modular design simplifies maintenance, making it ideal for rental companies and touring professionals.

Reliable Power and Protection

Featuring active power factor correction (PFC) and a soft-switching universal power supply (90–250VAC), the QX4-4000 ensures reliable operation worldwide. Comprehensive protection includes thermal, overload, DC, and low-voltage safeguards. Variable speed fans efficiently cool the amplifier, while fault, thermal, and limiter indicators provide clear, real-time status updates.

High Current, Low Impedance Capability

Capable of stable performance down to 2 ohms, the QX4-4000 is engineered for demanding line array systems or high-current speaker configurations. Its precise circuitry maintains audio clarity and consistent power, even under extreme loads, delivering professional-grade sound for installations, events, and touring applications.

Studiomaster QX4-4000 Key Features:

  • Ultra high-power 4-channel digital amplifier: 4x1700W at 4 ohms for demanding audio systems
  • Efficient design: Over 95% efficiency reduces heat and power consumption
  • Power factor correction (PFC): Ensures stable, reliable operation
  • Universal 90–250V soft-switching supply: Compatible worldwide
  • Stereo, parallel, and bridge modes: Adaptable to multiple system configurations
  • Modular internal design: Simplifies maintenance
  • Variable speed fan cooling: Efficient and quiet
  • Comprehensive protection: Thermal, overload, DC, and low-voltage protection
  • Clear status indicators: Thermal, fault, and limiter indicators for real-time monitoring
  • Balanced XLR inputs: Professional connectivity
  • 32A mains input: Suitable for high-power applications
SPECS & DOWNLOADS

Studiomaster QX4-4000 Specifications:

Stereo Mode:

  • 8Ω: 4 x 1000W
  • 4Ω: 4 x 1700W
  • 2Ω: 4 x 2890W

Bridged Mode:

  • 16Ω: 2 x 2000W
  • 8Ω: 2 x 3400W
  • 4Ω: 2 x 5780W

Technical Specifications:

  • Number of Channels: 4
  • Input Impedance: 20kΩ (balanced), 10kΩ (unbalanced)
  • Protection: Low voltage, overload, thermal, DC output protection
  • Net Weight: 12kg
  • Dimensions (W×H×D): 483 x 44 x 462mm
  • Operating Voltage: 90–250VAC, 50/60Hz
  • AC Mains Connector: 32A
  • S/N Ratio (20Hz–20kHz @ 8Ω): >105–112dB
  • Damping Factor (8Ω, 20Hz–200Hz): 5000
  • Input Sensitivity: Selectable 41dB, 38dB, 35dB, 32dB
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