Kepo piezo transducers 28 42 05khz range kepo kpi g4360l 6310 the kepo piezo transducer 30 05khz 445mm is able to generate a continuous pulse tone when energised by a 12vdc rated voltage outputs of up to 100db12vdc30cm can be achieved suitable for use in professional commercial and industrial applications kepo kpi g4360l 6310 piezo transducer 30 05 khz 445mm