The VT825 series wireless microphone system is specially designed for karaoke and general PA applications. Its high quality condenser capsule and compander circuitry ensure that a clear and warm vocal will be reproduced and has a highly steady wirless system within effective operating distance, protecting the signal from drop-out. It also offers pilotone and noise-lock squelch technology to prevent random noise interference sources like computers, karaoke machines and DVD players. The VT825 is the best choice for installation in karaoke boxes, school teaching, speech, family entertainment, and night club applications.