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Studiomaster QX4-4000 4x 1700W at 4 Ohms High Performance 1U Digital Power Amplifier

SKU: STQX44000 MFR: QX4-4000
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Key Features

  • Experience high power output with this Studiomaster power amplifier, delivering 4x1700W at 4 Ohms.
  • Achieve pristine audio clarity with a low distortion rate, ensuring professional sound quality every time.
  • Enjoy a superior signal-to-noise ratio, providing clean and clear audio for critical listening applications.
  • Benefit from impedance matching capabilities, optimizing performance with various speaker configurations.
  • Count on reliable protection circuits, safeguarding your power amplifier and speakers from damage.
  • This compact design, 1U power amplifier integrates seamlessly into any rack setup, saving valuable space.
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Special Order?Estimated to Ship: 08/24/2025
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Studiomaster QX4 Specifications

  • Slope (1kHz, Bypass LPF)

    50V/us

  • Input Sensitivity 1kHz

    Option: 41dB, 38dB, 35dB, 32dB

  • THD+N

    0.01% (10% rated output power)

  • IMD-SMPTE

    0.01% (10% rated output power)

  • DIM30

    0.01% (10% rated output power)

  • Crosstalk rejection

    >80Db (less than rated power, 20Hz - 1kHz)

  • Frequency Response

    0.2dB (10% rated output power, 8ohm, 20Hz - 20kHz)

  • Input Impedance

    20k ohm (bal), 10k ohm (unbal)

  • Damping Factor

    5000 (8ohm, 20Hz - 200Hz)

  • S/N ratio

    >105-112dB (A weighted, 20Hz-20kHz)

  • Power supply

    90-260VAC, 50/60Hz

  • Protection

    low voltage/overoad/thermal/DC output protection

  • Wattage

    8ohms Stereo: 4x1000 watts
    4ohms Stereo: 4x1700 watts
    2ohms Stereo: 4x2890 watts

    16ohm Bridged: 2x2000 watts
    8ohm Bridged: 2x3400 watts
    4ohm Bridged: 2x5780 watts

  • Dimensions (W x H x D)

    19 x 1.7 x 18" (483 x 44 x 462mm)

  • Weight

    22-26.4 lbs (10-12kg)

  • UPC Code

    5060255344309

About Studiomaster QX4

Where high-performance, power, and reliability converge, you'll find the QX4-4000 4x 1700W at 4 Ohms High Performance 1U Digital Power Amplifier. This professional-grade amplifier, part of the esteemed QX series, boasts advanced amplifier adjustment technology that ensures an impressive efficiency of over 95%. It's designed to deliver stable performance even under high current, low impedance conditions, making it a robust choice for demanding audio and video applications.

This amplifier is equipped with active power factor correction (PFC) and an ultra-reliable soft power switching power supply, capable of operating universally between 90-250VAC. This feature enhances its versatility, making it a reliable choice for a variety of professional settings, from large venues to recording studios.

Despite its powerful capabilities, the QX4-4000 maintains a compact and lightweight design. With a 1U height and weighing less than 12kg, it's easy to integrate into any setup without compromising on space or portability.

The QX series offers both 2 and 4 channel versions, with power ratings ranging from 2550 watts per channel up to a staggering 5100 watts per channel at 4 ohms. In 2 ohm operation, the flagship QX4-8000 model can supply up to 4 x 4760 watts, demonstrating the series' commitment to high performance and power.

Whether you're outfitting a line array system, setting up for a concert, or installing in a professional recording studio, the QX4-4000 4x 1700W at 4 Ohms High Performance 1U Digital Power Amplifier offers a cost-effective solution without compromising on sound quality or performance.

Studiomaster QX4 Features

  • Energy saving with over 95% efficiency
  • Power factor correction (PFC)
  • Universal 90-250V power supply
  • 4-channel model
  • Reliable efficient operation down to 2ohm loads
  • Variable speed fan cooling
  • Internally modular design for quick maintenance
  • Stereo/parallel/bridge modes
  • Multiple gain modes
  • Output limiter
  • Balanced XLR inputs
  • 32A mains power input socket
  • Thermal, overload, DC protection
  • Thermal, fault and limiter indicators

Key Features

  • Experience high power output with this Studiomaster power amplifier, delivering 4x1700W at 4 Ohms.
  • Achieve pristine audio clarity with a low distortion rate, ensuring professional sound quality every time.
  • Enjoy a superior signal-to-noise ratio, providing clean and clear audio for critical listening applications.
  • Benefit from impedance matching capabilities, optimizing performance with various speaker configurations.
  • Count on reliable protection circuits, safeguarding your power amplifier and speakers from damage.
  • This compact design, 1U power amplifier integrates seamlessly into any rack setup, saving valuable space.

What's in the box:

  • QX4-4000 4x 1700W at 4 Ohms High Performance 1U Digital Power Amplifier
  • Studiomaster 1 Year Limited Warranty