CX254

About the CX254

The QSC CX254 is a compact, professional-grade 4-channel power amplifier designed for commercial and permanent installation audio applications. It delivers 170W per channel at 8 ohms stereo, 250W per channel at 4 ohms stereo, and up to 900W bridged at 4 ohms. Featuring QSC's PowerWave switching power supply technology, it provides tighter bass, cleaner highs, reduced heat, and improved reliability. The amplifier includes 1 dB detented gain controls, HD-15 DataPort connectors for computer control, and detachable Euro-style input connectors. It offers comprehensive protection circuitry against short circuits, thermal overload, DC faults, and more, ensuring durability and stable operation into reactive or mismatched loads. The CX254 is housed in a 2 rack unit chassis, measuring 19" x 3.5" x 14" and weighing 21 lbs, making it easy to rack and install. Additional features include selectable high-pass filters, clip limiters, variable speed fan for low noise, and bridgeable channels for flexible configurations. It is widely recognized for reliability and high-quality sound in professional sound reinforcement environments.