The QX2-4000 power amplifier delivers 2 × 4760 watts RMS at 2 Ohms, providing reliable performance for high-power passive loudspeaker systems. Housed in a compact 1U rack-mount chassis and weighing only 12 kg, it is well-suited to both fixed installations and touring applications. The unit is equipped with balanced XLR inputs and corresponding XLR link outputs, as well as Speakon connectors for loudspeaker output. Cooling is managed by temperature-controlled fans, and the amplifier supports stereo, parallel, and bridge operating modes. Comprehensive protection circuitry is included, covering thermal overload, short circuit, and DC fault conditions.