Ceiling Speaker 4 2 1 1/2 1/4 or 1/8 Watt 25 or 70V AC 8 Diameter 95 dB @ 4 ft...Ceiling Speaker 4 2 1 1/2 1/4 or 1/8 Watt 25 or 70V AC 8 Diameter 95 dB @ 4 ft 50 Hz - 12 kHz Color: Off White Dimensions: 13 DIA x 3-1/4 D Includes: Recessed Volume Control Knob and 4-Watt Transformer.more