The Basic Stationary IR System is a great IR solution for those just getting started and those on a tight budget. The system includes four (4) stethoscope receivers and is ideal for venues wishing to comply with ADA requirements. It can accommodate four (4) listeners. It is designed for applications that require the audio signal to be isolated for security or other reasons, such as assistive listening, soundfield, language interpretation, live theater, houses of worship, courtrooms, secure rooms, and for auditory description. Custom systems available. White or grey radiator options available.