852 Hz · Patent-Protected · US 11,836,330
Retune Your Music To 852 Hz
The frequency of clarity, return, and spiritual order.
See it work
See 852 Player Plus retune music in real time
Sixty seconds. Real-time 852 Hz retune of a song you'll recognise.
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Why 852 Player Plus
Built for people who own their music — and want to hear it differently.
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Third-Eye Tone
The sixth canonical solfeggio frequency — traditionally associated with the third eye and intuition.
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Quietly Lifting
A higher tone than the working frequencies, often used at the end of a meditation session as the ladder out.
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Real-Time Retune
Listen to your library at 852 Hz. Switch back to 440 any time.
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Patent-Protected
US Patent 11,836,330. $19.99 one-time per platform.
How it works
Real-time retuning. No re-encoding. No quality loss.
We don't make copies of your songs. We don't apply equalization or compression. We shift the pitch of the audio stream as it plays — and that's the entire trick.
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Add your music
Point 852 Player Plus at a folder on your device — MP3, FLAC, WAV and most other common formats are supported. Your files stay where they are; nothing is uploaded.
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Tap to retune
One tap and the entire library plays at 852 Hz. The original files aren't touched — the retune happens in real time on the way to your headphones.
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A/B as you go
Switch back to 440 Hz any time. Compare the same song side-by-side and decide for yourself. Set a sleep timer, build playlists, listen offline.
Why we built 852 Player Plus
852 Hz is the sixth tone of the canonical solfeggio hexachord — the *La* of the medieval Italian scale — and in modern sound healing tradition it's the third-eye tone, associated with intuition, clarity at altitude, and what practitioners describe as "returning to spiritual order" after a period of disorientation. In recent years 852 Hz has also developed an unexpected following in the ADHD community, where many listeners describe it as "brain-quieting" — a quality the original tradition didn't anticipate but that's now part of how the tone is talked about.
Where the lower solfeggio tones tend to be body-focused and the middle tones relational, 852 Hz sits higher in feel — the kind of tone practitioners reach for at the back end of a meditation arc, after the work of grounding has been done and the focus has shifted upward. Many listeners describe music at 852 Hz as "lifting" rather than "expansive" — present with a kind of internal quiet that the lower tones don't have.
We built 852 Player Plus the same way we built every Player Plus app: real-time pitch-shifting of your existing music library, lossless, without re-encoding, without subscriptions. Point the app at your library. Pick 852 Hz. Listen.
The retune is patent-protected (US 11,836,330), real-time, and lossless. Original files stay untouched. Switch back to 440 with one tap. Bulk-add an album. Set a sleep timer. Listen offline.
Pricing matches the rest of the line. Free for twenty retunes, no card, no signup. After that, $19.99 unlocks 852 Hz on your platform forever, or $99.99 unlocks all ten solfeggio frequencies. No subscriptions. No ads. No tracking. We don't sell your listening data because we don't collect it.
Built and self-funded by SYQEL INC. We answer to users, not investors. The frequency-shifting engine is patent-protected so this option can't be quietly revoked. Whatever you bring to 852 Hz — meditation, focus work, intention, simple curiosity — we just give you the tool.
From the audience
Loved by listeners who own their music.
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"I close my morning meditation with 852 Hz. Hard to describe what changes — it just feels right."
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"Found this through an ADHD subreddit. 852 Hz is now my deep-work soundtrack. Quietest my brain has been in years."
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"Software that respects me. Rare. I'll pay for that any day."
Get the app
Try free. Upgrade once.
No ads. No tracking. No subscriptions. 14-day money-back guarantee on every paid tier.
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Free trial
$0
20 retunes. No card. Just open the app and try it.
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Unlock 852 Hz
$19.99
One-time. 852 Hz unlocked forever on this platform. Add other frequencies later for $19.99 each.
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Unlock all 10
$99.99
One-time. 852 Hz plus all 9 solfeggio tunings (174, 285, 396, 417, 528, 639, 741, 852, 963).
Prefer a direct installer? Windows .exe · Mac .dmg
Patent-protected by US Patent 11,836,330 · Built and self-funded by SYQEL INC
FAQ
Quick questions
What is 852 Hz?
852 Hz is the sixth tone of the canonical solfeggio hexachord — the *La* of the medieval Italian scale, traditionally associated with the third-eye chakra. In modern sound healing it's used for intuition work and for what practitioners describe as "returning to spiritual order" — the clarity that arrives after working through internal disorientation. It's also become popular in recent years with ADHD listeners who describe it as "brain-quieting" for focused work.
What does 852 Hz do?
In the solfeggio tradition, 852 Hz is the third-eye tone — paired with intuition work and the closing arcs of long meditation sessions. Outside that context, the ADHD community has embraced 852 Hz as a "brain-quieting" tone for focused work. Whether you experience anything specific is your own to discover. Technically, 852 Player Plus retunes your music in real time so the note A5 sits at 852 Hz, with A4 landing around 426 Hz, without altering the original files.
When should I listen to 852 Hz?
There's no rule, but in the solfeggio tradition 852 Hz tends to come later in a meditation arc — once the body has settled and the focus has moved upward. Many practitioners use it as the closing tone of a session that started with the deeper grounding frequencies. Outside the meditation context, many listeners use 852 Hz during focused work — it has a particular quality some describe as "quieting," which the ADHD community has embraced for concentration sessions.
Does 852 Hz really help with ADHD?
We don't make health claims, and we wouldn't describe 852 Hz as a treatment for anything. What we can say is that an active community of ADHD listeners has gravitated to 852 Hz as background music for focused work, and many describe the experience as "brain-quieting." Whether you find it helpful is your own to discover. The tool we make lets you listen to your own music at 852 Hz, in real time, without quality loss — what you do with that is yours.
Is 852 Hz bad for your ears?
No. 852 Hz is just a musical pitch, and listening to music tuned to 852 Hz is no different from any other listening from an audio-safety perspective. As with any audio listening, mind your overall volume and take breaks if you're wearing headphones for long sessions.
The other tunings
Looking for a different frequency?
We make a player for each tuning so you can pick the one that fits what you're after. Every app uses the same patent-protected real-time engine.