Frequency
1111 Hz
High Signal
Explore this frequency
Not established as medical treatment
What it is
An 1111 Hz sine tone, just above C6. It is the brightest pitch in the GSS library and is used as an accent rather than a base.
What users may experience
Very present and piercing if played loudly. Most listeners prefer it at a whisper under other layers.
Traditional associations
The 11:11 sequence is widely treated as meaningful in numerology and modern spiritual culture. That meaning is symbolic, not measurable.
Sound & relaxation
Human hearing peaks in sensitivity around 1 kHz — a well-established property of the auditory system — which is why this tone needs the least volume of anything in the library.
How to use it
Use for 5–10 minutes only, very quietly, over a low base tone.
Suggested session length
5 · 10 minutes — listening style: Accent layer, short sessions; intensity: intense.
Safe listening
Bright, high tones can cause listening fatigue. Keep the volume very low, keep sessions short, and stop if your ears feel strained. Not recommended for children or extended exposure.
Pair with
Physical sound properties, human perception, relaxation effects associated with audio, and traditional frequency beliefs are distinct categories and are kept separate above. Nothing here is medical advice. Read the wellness disclaimer