Product Principle. Passive buzzer refers to the need for audio drive to make a sound, corresponding to active buzzer. The driving mode and working principle are the same as ordinary speakers.
Material. The electromagnetic buzzer adopts high-quality materials, and the shell is strong, which can well the internal structure.
.We strive to provide you with high-quality and convenient services. If you have any questions about our products, you are welcome to us, and we will give you a satisfactory answer.