Audio combining system is designed for hotels and conference centers with divisible, multi-use meeting rooms. This ballroom combining system joins the audio system of each room with a simple touch of a button. It is the latest, enhanced version of the popular ML-112A. Designers appreciate the flexibility of the system which can be operated with a variety of mixers, equalizers and power amplifiers. Flexible and dependable sound systems are increasingly important for conference planners looking for ways to make their events stand out.