dB Meter - Free Sound Meter

[Hot Item] Digital Sound Level Meter Noise Recorder Spl Meter Datalogger with Free Software

I req all to download sound meter app on their phones, so sound levels can be measured, which is useful to file a complaint and anything above 55DB is violation of law, including inside theaters. 👇 Sample. Take a video, then open app, screen record n complain. Inside theaters also, sound level is supposed to be on 60's max, but these days theaters are over enthusiastically playing Atmos, Dolby, etc. ans playing very loud sound. In case if theaters, complaint should be filed with Pollution Contr

IoT based Decibel Meter with ESP8266 & Sound Sensor

Decibel Meter, LONVOX Sound Level Meter with 2.45" Backlit LCD, SPL meter with 30 – 130 dBA Measuring Range, dB Meter with MAX/MIN Noise Measurement, Sound Meter for Classroom, Noisy Neighbor, Factory

Class 1 Sound Level Meter - SVANTEK SV 971A