Profile: McCauley Sound, Inc. is a manufacturer of loud speakers. our product line includes M.LINE M120, M.LINE M90, M.LINE MS1 and SA422-2. Our M120 is a 2-way high and mid system line array module in a computer optimized enclosure. The M120 utilizes a 3-way biamplified complement of twin 8.8" cone drivers and a 1" exit extended high frequency compression driver. The enclosure is constructed of durable 12-ply void-free birch laminate, dadoed for strength and durability. Our M90 is a 2-way high and mid line array module in a computer optimized enclosure. The M90 utilizes a 3-way biamplified complement of twin 8.8" cone drivers and a 1" exit extended high frequency compression driver. The enclosure is constructed of durable 12-ply void-free birch laminate, dadoed for strength and durability.