Awesome audio performance, and a protective housing
Low-power consumption
Power consumption: 5V at 86 mA
Drive signal: 4KHz 1/2duty square wave
The M5Stack Passive Buzzer Unit is a mini passive buzzer unit, driven by a 4 KHz signal, that sounds up to 72 dB within 10 cm distance under rating input power. With the feature of compact size, low-power consumption, awesome audio performance, and protective housing. Applied for varied buzzer alarm scenarios.