Kepo piezo transducers 30 37 05 khz kepo kpi g3210l k8452 the kepo piezo transducer 37 05 khz 14mm with 12vdc is a low power consumption transducer with continuous tone also equipped with 324vdc operating voltage 90db at 12vdc30cm and 2060c operating temperature kepo kpi g3210l k8452 piezo transducer 37 05 khz 14 mm