At -9.4 dBA, it's quieter than anything you've ever experienced. No background hum, just the sound of your own body.
Blood whooshing, stomach gurgling - normally masked sounds become loud and noticeable.
Lack of sound cues disrupts your sense of space; you might feel like you're floating or swaying.
Sight becomes more dominant as sound fades, details might appear sharper.
The quiet can be strangely stimulating, leading to creative thinking or even hallucinations in some cases.
With no external distractions, your internal voice might become louder and clearer.
Due to the lack of echoes, it's difficult to judge how far you are from the floor by sound, making walking a bit strange.
Clap your hands, there's no echo. It's an eerie demonstration of just how soundproof the chamber is.
The chamber is used for research on acoustics, human perception of sound, and even the effects of silence on the brain.
Most people can't tolerate the intense quiet for more than 45 minutes, making it a unique and short-lived experience.