Studiomaster QX4-4000 4 x 1700W 1U Power Amplifier

The Studiomaster QX4-4000 is a professional four-channel power amplifier designed for demanding audio applications. It belongs to the QX series of digital power amplifiers, utilising advanced Class D technology to deliver high power output with exceptional efficiency. This model is engineered to provide stable performance even under high-current, low-impedance conditions, making it suitable for powering multiple speaker systems in live sound, fixed installations, and touring environments. Key features include its remarkably compact 1U rackmount form factor, which saves valuable space in equipment racks while delivering substantial power. The amplifier boasts over 95% efficiency, which translates to reduced heat generation and lower power consumption compared to traditional amplifier designs. It offers multiple operating modes with detailed power specifications: 4 x 1700 watts into 4 ohms in stereo mode, 4 x 1000 watts into 8 ohms, and various bridged configurations for increased power to fewer channels. The unit includes selectable input sensitivity settings (41dB, 38dB, 35dB, 32dB) to match different source levels and ensure optimal signal-to-noise performance. This amplifier is best suited for professional audio engineers, venue operators, and touring technicians who require reliable, high-power amplification in a space-efficient package. Its robust construction and thermal management make it appropriate for continuous operation in demanding environments. The QX4-4000 fits seamlessly into existing rack systems and can drive a wide range of passive loudspeakers, from stage monitors to main PA systems, providing clean, controlled power that maintains audio integrity across various load conditions.