The PRA-618S/M/L are gooseneck microphones for conferences. Their mini dynamic capsules feature super-cardioid polar pattern, tailored frequency response for conferences and lectures, greater pick-up distance and high gain before feedback. These advantages make them excellent for speech reinforcement in conferences, lectures, and interviews. This series are provided in three types, namely PRA-618S (short type), PRA-618M (standard type) and PRA-18L (long type). The three types offer you more options considering the pick-up distance and there in for cement effect on different occasions.