Kepo piezo transducers 28 42 05khz range kepo kpi g2610a 6268 the kepo piezo transducer 35 05khz 23mm is able to generate a continuous tone when energised by a 12vdc rated voltage outputs of up to 78db12vdc30cm can be achieved suitable for use in professional commercial and industrial applications kepo kpi g2610a 6268 piezo transducer 35 05 khz 23mm