Studiomaster QX2-4000

StudioMaster QX2-4000 - The QX series of digital power amplifiers features advanced amplifier adjustment technology to provide an efficiency of over 95% and stable performance under high current and low impedance conditions.

The audio amplifiers each have a height of 1U rack and are lightweight models, weighing less than 12 kg each. Both 2 and 4 channel versions are available, offering power from 2550 watts per channel up to 5100 watts per channel at 4 ohms.

When operating at 2 ohms, the flagship model QX4-8000 will deliver up to 4 x 4760 watts, making these amplifiers provide powerful performance and offer cost-effective solutions for multiple installation and rental applications.

• Energy-saving design with over 95% efficiency
• Power Factor Correction (PFC)
• Universal power supply 90-250V
• Reliable and efficient operation up to 2 ohm loads
• Variable speed fan cooling
• Modular interior design for quick maintenance
• Status indicators and protection
• Stereo/parallel/bridge modes
• Multiple Gain modes
• Output limiter
• Balanced XLR inputs
• Professional speaker connectors
• Thermal, overload, DC protection
• Thermal, fault, and limiter indicators
• Slope (1kHz, Bypass LPF): 50V/us
• Selectable input sensitivity: 41dB, 38dB, 35dB, 32dB
• Frequency response (rated output power 10%, 8 ohms, 20 Hz – 20 kHz): 0.2 dB
• Input impedance: 20k ohms (balanced), 10k ohms (unbalanced)
• Power supply: 90-260VAC, 50/60Hz
• Protections: Low voltage / Overload / thermal / output
• Dimensions: 483mm x 44mm x 462mm
• Weight: 10 - 12 kg
• Power:
  • 8 ohm stereo:  2 x 2000 W
  • 4 ohm stereo:  2 x 3400 W
  • 2 ohm stereo: 2 x 4760 W
  • 16 ohm bridged:  4000 W
  • 8 ohm bridged:  6800 W
  • 4 ohm bridged:  9520 W