This 90-minutes pink noise audio delivers a smooth and natural sound with reduced high-frequency intensity.

Pink noise is commonly used for relaxation, stable sleep environments, and gentle focus support.

The 432 Hz frequency is quietly blended into the noise and remains below conscious hearing, designed to be felt subtly rather than heard.

Ideal for sleep, relaxation, meditation, stress reduction, and ASMR listening.

For a clean and natural sound, listen at low volume and turn off bass enhancement.

This 90 minutes black noise audio is built around extremely low-frequency sub-bass noise, creating a minimal and deep sound environment.

Black noise is designed to be more felt than heard and is often used for grounding, deep rest, and sensory calm.

Any frequency included is integrated below conscious perception and blends into the sub-bass texture.

Ideal for deep relaxation, sleep, grounding, and ASMR low-frequency experiences.

Always listen at very low volume and turn off bass boost, loudness, or any audio enhancement features.

This 90 minutes red noise audio emphasizes very low frequencies, creating a deep and grounding sound atmosphere.

Red noise is often associated with physical relaxation and a sense of stability.

Any added frequency is integrated at a very low level and is not designed to be consciously audible.

Ideal for deep sleep, grounding, relaxation, and ASMR-style low-frequency soundscapes.

Use speakers or headphones carefully at low volume and ensure bass boost is disabled.