3 zone paging system with talkback. Features: Useful in small-to-medium offices (up to 9,000 square feet) Warehouse and manufacturing applications 12,000 square feet Supports up to two separate C.O. line ports 2 one watt voice coil horns per zone Zone volume control Provides 3, 2 watt, voice coil 8 Voice coil speakers per zone Power supply included