555 Hz Pure Tone (12 Hours) – Black Screen Ambient for Positive Focus & Deep Work

This video delivers a continuous 555 Hz pure tone (sine wave) for 12 hours on a completely black screen. No music, no melody, no visuals – just one steady, high-mid frequency designed to sit quietly in the background.

Online, 555 Hz is often described in sound-healing and “angel number” communities as a frequency symbolically linked to change, transformation and trusting the flow of life – these meanings are spiritual or numerological interpretations, not proven scientific or medical facts.

You can use this track in your own way, for example as:

Minimalist background sound for deep focus, study or coding

Ambient layer for meditation, intention-setting or journaling

Simple test tone for speakers, headphones or room acoustics

Neutral sound masking to help soften distractions around you

What’s in this video:

Duration: 12 hours (12:00:00) continuous playback

Audio: single 555 Hz pure sine tone at a constant level

Visual: full black screen – no movement, no flashing, low light (ideal for night use / OLED screens)

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Disclaimer:
The audio content on this channel is intended for relaxation and entertainment purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. If you are experiencing physical or mental health issues, please consult a qualified healthcare provider.
Do not listen to these frequencies if you have a medical condition that may be affected by sound stimulation (e.g. epilepsy, auditory sensitivity, or neurological disorders). Use responsibly and avoid listening while driving or operating heavy machinery.

Listening tips:
Start at a low volume and slowly adjust to a comfortable level.
Avoid listening at high volume for long periods of time.
Do not use headphones while driving or operating machinery.

Disclaimer:
This audio is provided for ambient listening and personal experimentation only. It does not claim to heal, cure, treat or prevent any condition and is not a substitute for professional medical, psychological or therapeutic care. If you have hearing, health or sleep issues, please consult a qualified professional.