Kepo piezo transducers 28 42 05khz range kepo kpi g2313l 6260 the kepo piezo transducer 33 05khz 23mm is able to generate a continuous fast pulse tone when energised by a 12vdc rated voltage outputs of up to 80db12vdc60cm can be achieved suitable for use in professional commercial and industrial applications kepo kpi g2313l 6260 piezo transducer 33 05 khz 23mm