Kepo piezo transducers 28 42 05khz range kepo kpi g4310 230vac 6296 the kepo piezo transducer 29 05khz 43mm is able to generate a continuous pulse tone when energised by a 230vac rated voltage outputs of up to 80db230vac60cm can be achieved suitable for use in professional commercial and industrial applications kepo kpi g4310 230vac 6296 piezo transducer 29 05 khz 43mm