QSC GXD4 1600W Professional Power Amplifier

The QSC GXD4 is a professional 2-channel power amplifier engineered to deliver high-performance power and comprehensive onboard DSP in a lightweight, efficient package for portable and installed sound applications. Featuring a Class D output stage with a universal switchmode power supply, this unit provides enormous peak output of 1600 watts while maintaining rock-solid operation even under poor power conditions and weighing only 11.3 pounds for easy transport and rack mounting. With 400 watts per channel continuous at 8 ohms and 600 watts per channel continuous at 4 ohms, it delivers power levels optimized for maximum real-world headroom with the most popular professional loudspeakers.

The integrated DSP section transforms this amplifier into a complete loudspeaker processing solution, including 4th-order Linkwitz-Riley high-pass and low-pass filters, 4-band parametric EQ per channel, signal alignment delay up to 50 milliseconds, and RMS/Peak speaker protection limiting with adjustable aggressiveness settings. Twenty factory presets including QSC E Series loudspeaker tunings provide versatile starting points for various applications, while the large backlit LCD display and precision rotary encoders enable intuitive setup and real-time status monitoring. This open-box unit includes all original accessories and packaging, offering an excellent opportunity to acquire professional-grade QSC amplification with legendary reliability at a reduced cost.