The Classroom Infrared Emitter is designed to provide simultaneous listening for a classroom or simulation lab full of students. Many institutions find value in utilizing the Classroom Infrared Emitter with high-priced manikins and simulators, allowing each student greater interaction with the sounds of the manikin or simulator. The Classroom Infrared Emitter can be utilized by any manikin or simulator with a sounds output. Up to 30 students can interact with the Classroom Infrared Emitter while wearing HeartMan Infrared Headphones. The Classroom Infrared Emitter is line-operated. The sound clarity is very similar to a standard stethoscope. Product Features: Broadcasts sounds to larger audiences Excellent sound quality Utilizes Heartman Infrared Headphones Large number of applications Easy to set up and use Available for large and small auditoriums Up to 3 units can be daisy-chained for increased coverage