Studio Master QX2-4000 | 1U Digital Power Amplifier, 9520W, 2 Channel, High Efficiency

Studiomasters QX24000  (Studio Master QX-2 4000)

Compact High-Efficiency Digital Power Amplifier

The Studiomaster QX2-4000 is a compact 1U digital power amplifier that delivers up to 9520 watts of power in a lightweight design. Ideal for professional audio installations, it combines high efficiency with advanced protection features, making it suitable for demanding environments and high-performance setups.

Studiomaster QX2-4000 Competitive Differences

• Delivers up to 9520 watts in 4-ohm bridged mode, ensuring powerful sound output.
• Over 95% energy efficiency, reducing power consumption and operational costs.
• Active power factor correction (PFC) and universal power supply (90-250VAC) for reliable performance worldwide.
• Compact 1U size and lightweight design, making installation easy and space-efficient.
• Multiple operational modes: stereo, parallel, and bridge for versatile audio setups.
• Advanced protection features including thermal, DC, and overload protection.

Studiomaster QX2-4000 Description

The Studiomaster QX2-4000 amplifier from the QX series is designed for high-performance audio applications, offering power and efficiency in a space-saving 1U chassis. With a power rating of up to 5100 watts per channel at 4 ohms, it is perfect for driving large speaker systems, line arrays, and other professional audio setups. Its advanced amplifier adjustment technology ensures stable operation even in low-impedance conditions, while the variable speed fan cooling keeps the amplifier running optimally. This model includes active power factor correction (PFC) and a soft power switching power supply, providing consistent performance in a range of environments. Its robust protection features—thermal, DC, and overload safeguards—add reliability, making it suitable for both permanent installations and mobile setups.

QX2-4000 Features

• Power output: Up to 9520W at 4-ohm bridged mode
• Efficiency: Over 95% for energy-saving performance
• Power factor correction (PFC) for stable operation
• Universal power supply: 90-250VAC, 50/60Hz
• Operational modes: Stereo, parallel, and bridge
• Variable speed fan cooling system
• Multiple gain options: 41dB, 38dB, 35dB, 32dB
• Balanced XLR inputs for secure signal connection
• 32A mains power input socket
• Internally modular design for quick maintenance

QX2-4000 Specifications

• Power Output (4 ohm bridged): 9520W
• Power Output (per channel, 4 ohms): 5100W
• THD+N: 0.01% (10% rated output power)
• IMD-SMPTE: 0.01% (10% rated output power)
• Damping Factor (8 ohm, 20Hz-100Hz): 5000
• Frequency Response: 20Hz - 20kHz (0.2dB at 10% rated output, 8 ohm)
• Crosstalk Rejection: >80dB (20Hz-1kHz)
• Input Sensitivity Options: 41dB, 38dB, 35dB, 32dB
• Input Impedance: 20k ohm (balanced), 10k ohm (unbalanced)
• S/N Ratio (A-weighted): >105-112dB
• Protection Features: Low voltage, overload, thermal, and DC protection
• Cooling: Variable speed fan
• Dimensions: 19 in x 1.73 in x 18.2 in (48.3 cm x 4.4 cm x 46.2 cm)
• Weight: 22 lbs (10 kg)
• SKU: NEG0046

What's In The Box

• Studiomaster QX2-4000 Power Amplifier
• Power Cable
• User Manual