Heart chakra
639 Hz — Connection
Traditionally associated with relationships, harmony, and connection.
Convert your own music: 440 Hz → 639 Hz
Heart chakra
639 Hz is traditionally associated with connection and harmony — with others and with yourself. People often describe it as warm and open-hearted, a tone for togetherness and easy conversation.
639 Hz is traditionally associated with
- Connection and harmony
- Warm, open-hearted calm
- Togetherness
- Emotional balance
These descriptions reflect tradition and how people perceive the tone — they are not medical claims, and HZP is not a medical device. See our disclaimer for more.
How people listen to 639 Hz
- Time with people you love
- Shared dinners and gatherings
- Reflective, heart-centred listening
Hear it in your own music
You don’t need special recordings. With HZP you can re-tune any song — your own playlists, or millions of tracks in the built-in library — to 639 Hz in real time, in a single tap. Try it and decide for yourself how it feels.
Explore the other frequencies
Your music. Your frequency. Your Choice.
Download HZP and enjoy your music re-tuned in real time — and save countless hours hunting for pre-tuned tracks or converting songs one at a time.