The Ahuja CM-4000 Conference System provides the much required sound reinforcement at meetings while eliminating problems of poor intelligibility and acoustic feedback. The system is ideal for use in a variety of applications in Boardrooms, Large Conference Halls as well as open conferencing in Convention Centres. • Unique Send/Return facility through a stereo jack in Central Amplifier CMA-4400. • AC Mains & 24V DC operation. • Central Amplifier is 19" rack mountable. • Three Mic inputs and one Aux input for various user applications. • 50W PA Amplifier for adequate sound reinforcement.