Classroom Noise Meter

A live sound-level meter with a face that reacts, and an alarm when the room gets too loud.

Uses the microphone only to measure volume — nothing is recorded
Bar meter with a moving “too loud” line
Reacting face from 🤫 to 😡
Optional alarm if it stays too loud, with a counter

Unlock the whole toolkit

All 24 locked tools — and everything we add during your year — come with a Teacher Pass for $10 a year. Tutors listed on Global Tutor Board get the toolkit included with their listing.

Get the Teacher Pass — $10 a year Log in

Teach independently? See how listing works

Open to everyone: Spinner Wheel · Classroom Timer · Group Generator · all tools