High quality 2-way passive ceiling speaker with a 5" low frequency driver and a ferro-fluid cooled dome tweeter in a moulded ABS frame with Phoenix-style connector. Compatible with 70 volt and 100 volt line distributed systems, internal transformer taps provided at 60w, 30w and 15w (100 volt line), 60w, 30w, 15w and 7.5w (70 volt line) on easily-accessible front-panel selector, plus low impedance setting. Optional tile bridge accessories.