Four-Channel Power Amplifier | Four independent channels deliver 4 x 200W RMS at 4 Ohms from a Class-D digital design via balanced XLR inputs, built for stage, club and installation audio setups. Flexible Configuration | Switch between parallel mono and bridge mono modes, or run as a quad, stereo or 2.1 system to match club, stage and installation needs. Built-In Crossover Filters | Switchable low pass and high pass filters let you tailor sound output for subwoofer or full-range speaker components in any PA setup. Lightweight & Energy Efficient | A lightweight, energy-efficient switch-mode power section keeps this rack-mountable amp cool and reliable for demanding audio equipment setups. Established UK Audio Brand | Citronic has over 50 years of heritage in UK sound and installation equipment, backed by full audio and power protection with peak limiter.