RS PRO 8 Ohm 4 W Miniature Speaker, 400 mm Lead Length, 80 mm x 31.1 mm x 14.9 mm Although small in size, this RS PRO miniature speaker delivers high power and great sound quality. Miniature speakers act as tiny loudspeakers, transforming audio signal into sound. This component has a space-saving design that can be easily fitted into electronic devices such as computers. The unit is enclosed, has a power rating of 4-watts and emits a sound level of 100 dB, making it easy to hear even when background noise is present. Its sound-producing cone is made from paper and cloth and the product is supplied with a lead and connector fitting. The miniature speaker has a PVC (polyvinyl chloride) insulated cable that's UL1007 AWG26 approved, conforming to the global standards for electrical insulation. RS PRO supplies a range of miniature speakers which are commonly used in devices such as radios and headsets. Features and Benefits - Miniature speaker - Rated power of 4 W - Coil resistance of 8 Ohm - High tone type - Paper and cloth cone - Lead length of 400 mm - Dimensions of 80 mm x 31.1 mm x 14.9 mm - Lead wire meets UL1007 AWG26 approval, conforming to the global standards for electrical insulation - RoHS (Restriction of Hazardous Substances) compliant meaning the product contains minimal levels of harmful substances