Speakers: Type - Speaker; Input - 100Vrms; Rated Watts - 8; Power Taps - 8, 4, 2, 1.5 Watts; Frequency Response - 110 to 20000 Hz; Decibels - 102 dB at 1m; Enclosure Material - Steel; Mounting - Ceiling Mount; Dimensions HxWxD - 9 in. Diameter x 4.9 in. D; Additional Information - Operating Temperature: 32 to 120 deg F; Manufacturer Series - AudioMaster
Additional Info: Operating Temperature: 32 to 120 deg F