Linkx Infrared microphone system, an ideal alternative to radio (RF) wireless microphone system, provides secure wireless communication and solution to the steadily shrinking frequency availability problem. Applying creative and revolutionary new state-of-art infrared light transmission technology, we offer solid reception and sound quality which suitable for speaking and recreational singing applications. Linkx SoundFields systems provide a cost-effective sound and voice reinforcement; the superior frequency response and dynamic range suits in any classroom or teaching space. Our systems are ideal for meeting room in corporate, classroom in educational, church/health club in community, court / military conference room in government facility, Karaoke house in entertainment, and other medium sized arena application. Our range of products includes infrared wireless microphone, teaching amplifier, portable sound, soundfield, and tour guide system as well as personal voice reinforcement, and personal hearing device.