Product ID KUT-5120 Rated Voltage 10Vp-p Max. Allowable Voltage 30Vp-p Rated Frequency Range 2.5-60KHz Rated Sensitivity 92± 3dB( 1W/ 10cm) Resonant Frequency 22± 3KHz Operating Temperature -20~ + 70 ° C Weight 10G Size( mm) Ø 50.5