Warning Buzzer & Chime
Frequency: 2000HZ
Rated voltage (or working voltage): 3V/5V/9V/12V
Rated current: 30mA
Weight: about 13g one
Summary:Universalpassive buzzer,16 ohm.Drivingmode and theworking principleand the same as ordinaryloudspeaker.
Passive buzzermeansneed to addaudio driversignalto make itsound,corresponding to theactive buzzer.Active buzzerneed onlyon the DCwillbeep,active buzzerinternaloscillator!