Audio-Technica ATR3350 wired omnidirectional lavalier condenser microphone ideal for video use, and is a good choice for aerobics instructors. The Audio-Technica ATR3350 omnidirectional lavalier microphone has been designed for clear voice reproduction. Its compact design makes it very discreet yet its robust build quality will ensure it is durable if used in the field. The ATR3350 is a condenser microphone which ensures the resulting recordings are of a high quality but as it has its own power source you do not need a specialist camera or recording device to achieve this. Its Omni pickup pattern offers full coverage.