The Kockum Sonics Supertyfoon MKT 150/110 is an air-driven loudspeaker for use on vessels. The Supertyfon MKT 150/110 is used to send out sound signals for attention and information in the most efficient way. The Kockum Sonics Supertyfon MKT 150/110 High-Power whistle is suited for vessels of 200m or more in length.