20 Hz

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:

Horror

Duration:

5 min

Actor:

Alix Wilton Regan

Quality:

HD

Director:

Chris Keller

Release:

2015

Country:

United Kingdom

IMDb:

6.0