BOX637-20K Stage box audio system - 20m - 16Input/4Output Balanced CH - K/series connectors
BOX643-20K Stage box audio system - 20m - 24Input/8Output Balanced CH - K/series connectors
BOX605-20K Stage box audio system - 20m - 8Input/4Output Balanced CH - K/series connectors
BOX640-20K Stage box audio system - 20m - 20Input/4Output Balanced CH - K/series connectors