Since 2020, Bunker Analog has made a collection of audio test tones available on all major digital streaming platforms (DSPs).

These sounds were developed for specific tests, calibration, and evaluation of various types of equipment, including stereo tests, phase tests, headphone tests, PA tests, frequency sweeps, and speaker burn-in tones.

These resources are available on platforms such as Spotify, Apple Music, Deezer, Amazon, YouTube Music, and others.