The sound of a buzzer is a kind of sound wave that is produced by a vibrating device.Frequency refers to the number of continuous cycles per second, and the frequency of measurement units is Hertz Hertz (Hz). The frequency range of human ear hearing is about 20-20khz, lower than 20Hz for the second
What is the diffenence between a loudspeaker and a buzzer?
SMD Magnetic Buzzer
There are two difffent sound ports of Keliking SMD buzzers.
Changzhou Keliking Electronics Co., Ltd.
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