The MZU 2008 switching unit can be installed in 19” racks for selective voice/music switching in 8 audio zones, with the possibility to increase the number of zones as multiple of 8, adding other MZU 2008 in cascade. Selection of the zones in which the music is to be interrupted and an announcement transmitted is carried out from the MBT 8008 control console. Using the 8 MUSIC keys on the front panel, you can choose in which of the 8 audio zones to play the normal background music and in which zones no music is to be played.