Are we talking buzzers or speakers?

[u/OhFuknut314]

I’ve been messing about with piezo buzzers and just generally trying to get my head around some basic bits of bobs with various components that tend to come in a kit… but they all seem to make a kinda nasty whistle sound. Y’know when you turn on something and it plays a little tune of some description? What is going on there? And how to you influence what “tune” it plays? I’m googling/youtubing every phrase I can think of to understand the difference or whether it possible to generate multiple notes from a standard buzzer? Or is it more of a micro-speaker that’s capable of that?

[u/Real-Entrepreneur-31]

Buzzers usually just play one note/frequency often high pitch. Speakers can play the whole sound frequency band.