20 Hz
20 HzTitta pa 20 Hz online Swesub. Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. … merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.
- Genre: Skräck
- Direktör: Chris Keller
- Aktör: Alix Wilton Regan
- Land: United Kingdom