Infrared systems can provide high-quality sound for the hearing impaired. The infrared systems are available in stereo (or dual mono) versions. This system uses invisible infrared light to carry sound to portable receivers. The complete system consists of infrared ‘radiators’, that gets its signal from a microphone placed in front of the person speaking or via a direct connection from a sound system, or other sound source, personal IR receivers are then used for the user. Radiators cast infrared light over the listening area, rather like floodlights. You may need one or more infrared radiators, depending on the size of the venue. The quality of sound received by the user is of a much higher standard than that of induction loop systems.