A compact rectangular miniature speaker suitable for signal output in machines and equipment where available space is restricted. Nominal Rated Power = 1W Impedance = 8Ohms Driver Shape = Oval Speaker Driver Size = 8 cm (3 in) and Under Cone Length = 36mm Frequency Response = 300 Hz - 20 kHz Waterproof = Yes Cone/Dome Material = Plastic Maximum Frequency Response = 20 kHz Minimum Frequency Response = 300 Hz