Kepo piezo transducers 28 42 05khz range kepo kpi g4214l 6286 the kepo kpi g4214l 6286 piezo transducer 28 05khz 60mm is able to generate a continuous pulse tone when energised by a 6vdc rated voltage outputs of up to 82db6vdc30cm can be achieved suitable for use in professional commercial and industrial applications kepo kpi g4214l 6286 piezo transducer 28 05 khz 60mm