Play a 2 Hz tone and adjust the sound below.
A 2Hz signal completes 2 cycles per second. A 2Hz signal completes two cycles per second and lies below the usual audible range. This is a low-frequency signal setting, not a promise of an audible beat or physical vibration from your device.
Start with your device volume low and stop if playback feels uncomfortable. Do not increase volume to force an inaudible tone to be heard. Browser playback cannot measure hearing thresholds or calibrate sound levels.
Use the preset link on this page to open the Hz Tone Generator at 2Hz instantly. Start with a sine wave for the cleanest reference, then compare it with square or saw when you want more harmonic edge.
Compare the signal settings at 1Hz and 4Hz without increasing volume to compensate for silence. Silence at these settings does not establish anything about your hearing.
2Hz is below the usual audible range. Your speakers or headphones may not reproduce it, and a pure tone at this setting is not a reliable audible pulse.
Start with a sine wave if you want the cleanest 2Hz reference. Switch to square or saw only when you want more harmonic texture.
Yes. This page links straight into Hzvibe with 2Hz preloaded, so you can return to the same tone or share the URL with someone else.