NRMARK Amplifier Model NR-50E This is a 50W RMS PA (Public Address) system, specifically designed for mosques, schools, and outdoor venues. It features a built-in Echo, Bass/Treble controls, and supports 12V battery operation. Nabil Abdelkader Rajab & Brothers Co. Ltd. Nabil Abdelkader Rajab & Brothers Co. Ltd. +2 Key Specifications and Features: Power and Output: 50W RMS output power (60W max) with low distortion at 10% THD. Audio and Controls: Features built-in Echo, with separate controls for Bass (±10 dB) and Treble (±10 dB). Inputs: Includes 3 microphone inputs (0.65 mV / 4.7kΩ) and an AUX input (100 mV/470kΩ). Connections and Outputs: Supports speaker connections with impedance of , , and , as well as a 100V line suitable for LMT systems. Power: Operates on AC 220-240V, with the option to run on a DC 12V car battery.