20 Hz
20 Hz
《20 Hz》在线免费 HD. 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.
- 電影類型: 恐怖
- 國家: United Kingdom
- 導演: Chris Keller
- 演員: Alix Wilton Regan,