Today, Linear's M&S intercom and whole-house music distribution systems deliver true sound for music and voice. These elegant and sophisticated acoustical systems deliver quality sound throughout the home. Music and Sound intercom systems also ensure peace of mind with enhanced security and room monitoring features. For more than 50 years, a company named M&S Systems has been the leading designer and manufacturer of fine systems for home communication and entertainment. These Music and Sound intercom systems revolutionized home communications with technology, style, and value. That company is now part of Linear, where the legacy of quality in design and development continues on.