Can a 128Hz Tuning Fork Help Tinnitus? Research & Theory

We are not medical doctors and this is not medical advice. If you have tinnitus or hearing loss, see an ENT or audiologist first — and if they can’t give you a satisfactory explanation, find one who will.

Every few weeks someone writes to us with the same question: “I have ringing in my ears. Will a tuning fork help?” Here’s the honest, long-form answer.

What we’ve seen

We have a category of people using weighted tuning forks with the glider boot for tinnitus. A recent customer wrote:

“Coby, your amazing tuning fork arrived yesterday and with the boot attached I thought the vibrations were noticeably deeper and more resonant, so I’m very appreciative. I’ve only got a small sample size of experience with it, but I can report that my tinnitus is NOT RINGING this morning after using the fork on my mastoid bone and neck. If this was in part due to the 128Hz vibrations, thank you, thank you both. Incredible.”

I have the beginning of tinnitus myself and have used the fork from time to time and it seems to help. For me it’s honestly hard to say because it is so low-grade, but the vibrations are so helpful with tension in my neck, jaw, etc. that I never regret using it.

We’ve also had a number of reports from customers and Soma teachers about this phenomenon – a tuning fork helping with tinnitus.

But the above is anecdotal evidence. So we went looking for additional research that might support what we’ve been “hearing”.

Wait — doesn’t vibration cause hearing damage?

Loud sound does. Acoustic overstimulation through the ear canal is a well-established cause of hearing loss and tinnitus. But a weighted tuning fork pressed gently to the mastoid bone or the neck is a different thing entirely: a low-frequency, low-amplitude mechanical vibration delivered into tissue and bone, not a pressure wave hitting the eardrum. The question is whether that direct, gentle input does something different — and there is more research adjacent to that question than you might expect.

What the research actually shows

1. Tinnitus is often a neck-and-jaw problem, not just an ear problem.

Researchers call this “somatosensory tinnitus.” In some people, tinnitus can be triggered or changed by input from the somatosensory and motor systems — its loudness and pitch shift, even if only temporarily, after strong contractions of head, neck, or jaw muscles [1]. Across the published studies, roughly 69% of tinnitus patients show some degree of this modulation, with the TMJ and the head-and-neck region most often involved [2]. In one study of 163 patients, neck maneuvers generally decreased tinnitus loudness [3]. Clinicians now use a rapid screening tool: if tinnitus and neck/jaw pain rise and fall together, they can be about 84% confident somatic factors are involved, and tension in the suboccipital muscles strengthens that diagnosis [4].

This matters because the neck, jaw, and suboccipital area are exactly where people naturally put a weighted fork.

2. Hands-on treatment of those muscles measurably reduces tinnitus.

A 2025 randomized controlled trial at Hannover Medical School gave patients manual therapy to the head and neck combined with stretching, muscle release, and myofascial trigger point work. It found significant improvements in pressure pain, tinnitus modulation, cervical range of motion, and Tinnitus Handicap Inventory scores compared with controls; 30 of the 37 treated patients benefited significantly [5]. A systematic review and meta-analysis reached the same conclusion: manual therapy is an effective treatment for somatic tinnitus tied to neck and jaw dysfunction [6].

A tuning fork is not manual therapy. But it is a tool for releasing exactly those tissues, and the overlap in mechanism is hard to ignore. And a weighted tuning fork with a smooth rounded boot like the Soma Glider Boot can be used with additional pressure much like a guasha or deep tissue massage device.

3. Vibration on the skin is being studied as a tinnitus treatment right now.

A 200-person clinical trial is testing whether tones paired with vibrotactile stimulation to the wrist reduce moderate-to-severe tinnitus, measured on the Tinnitus Functional Index over eight weeks [7]. Earlier pilot work described pairing sounds with correlated vibrations on the skin as a simple, time-efficient way to lessen tinnitus symptoms [8]. The idea is older than that: in 2002 a paper presented to the Acoustical Society of America proposed that stimulating the outer ear and the area behind it might suppress tinnitus, based on the known interconnections between the auditory and somatosensory systems [9]. That post-auricular area is the mastoid — where our customer above placed the fork.

4. Vibration calms the nervous system.

A Japanese study found that vibrotactile stimulation at 89 Hz applied to the face produced the largest increase in heart rate variability and the most constricted pupils — markers of parasympathetic activation [10]. Vibro-tactile stimulation is also being studied as a non-invasive way to activate proprioceptive and tactile receptors in skin and muscle; a proof-of-concept study found it reduced pain in people with cervical dystonia [11]. Tinnitus distress is notoriously worse under stress. Anything that reliably shifts the body toward rest-and-repair is relevant.

5. Nitric oxide, tuning forks, and the inner ear.

This is the science most directly tied to the 128Hz fork. In 2002, Dr. John Beaulieu and Dr. George Stefano found that specific vibrations transferred to cells with tuning forks caused a spiking of nitric oxide, setting off a cascade of physiological events; the research used an Otto 128 tuning fork [12]. The paper that came out of that work, published in Medical Science Monitor in 2003, proposed nitric oxide as the molecule chiefly responsible for sound therapy’s relaxing effects — and noted that nitric oxide aids in the development of the auditory system and participates in cochlear blood flow [13].

That last point deserves a closer look. Ischemia in the inner ear is closely related to sudden sensorineural hearing loss, presbycusis, noise-induced hearing loss, tinnitus, and Ménière’s disease [14]. Nitric oxide is a potent vasodilator and regulator of organ blood flow, and the enzyme that produces it has been found in many cochlear cell types [15]. Since Beaulieu’s discovery, further experiments have shown that vibration delivered into tissue and blood vessels creates nitric oxide [16].

Now the honest caveats

No one has run a controlled study of tuning forks for tinnitus. Everything above is adjacent evidence, and some of it cuts the other way:

• Nitric oxide has a dual role in the auditory system. It is essential for normal cochlear function, but it is also implicated in noise-induced damage and may modify neuronal gain and mitochondrial function in tinnitus [17]. More is not automatically better, and more research is needed.
• A controlled pilot study of vardenafil — a drug that boosts nitric-oxide-driven vasodilation — found no specific effect on chronic tinnitus [18]. Systemic nitric oxide from a pill is not the same as local, pulsed release from vibration on tissue, but it is a reminder that “more blood flow” is not a magic switch.
• Most tuning fork studies are small, preliminary, and have not been replicated in large clinical trials [19].

So what’s the mechanism?

Here is our theorization. We want to be explicit that it is theory, not established fact. If a 128Hz weighted fork helps someone’s tinnitus, we suspect it works through one or more of these routes:

1. Somatic release. Tinnitus that rides on neck, jaw, and suboccipital tension responds to releasing those tissues — the manual therapy trials show this. A weighted fork on the mastoid, the SCM, the jaw hinge, and the base of the skull is a focused way to deliver vibration into exactly those muscles.
2. Local nitric oxide and circulation. 128Hz is the frequency shown to trigger cellular nitric oxide release. Nitric oxide dilates vessels, and the inner ear is exquisitely sensitive to blood supply. Placing the fork on the mastoid — the bone behind the ear — may improve local microcirculation to the tissues around and supplying the auditory system, aiding in healing and “release”. Plausible, not proven.
3. Cellular housekeeping. Nitric oxide signaling is part of how cells manage waste, inflammation, and repair. Gentle mechanical vibration (mechanotransduction) is studied in bone and tissue regeneration. It is reasonable — not demonstrated — that periodic vibration supports the cellular environment of tissue under chronic strain.
4. Nervous system down-regulation. Facial and skin vibration measurably shifts the body toward parasympathetic activity. Tinnitus perception and distress amplify under sympathetic arousal. Calming the system may turn down the volume knob even if the signal source is unchanged.
5. Sensory competition. The vibrotactile tinnitus trials rest on the idea that somatosensory input feeding into the brainstem’s auditory centers can retune or drown out the phantom signal. A fork on the mastoid delivers strong somatosensory input right at the ear. Whether a few minutes a day is enough to matter long-term, we don’t know.

Which fork, and how to use it

My first recommendation would be the 128Hz Otto fork. It’s the fork with the most science behind it, showing positive effects on nitric oxide production in cells and on the nervous and cardiovascular systems. The OM tuner is a close second, but because it doesn’t have the official science behind it, for anyone dealing with an acute medical issue I tend to recommend the 128Hz fork — ideally with a glider boot, which our customers consistently report makes the vibration deeper and more resonant on bone. Second to that would be the 64Hz Otto fork.

Our unweighted forks (528Hz, crystal forks) are used off the body to affect the auditory system and biofield. They are wonderful forks, but I would not say they directly benefit tinnitus.

Start gently. Activate the fork, place the boot on the mastoid bone behind the ear, and let it ring out. Move to the side of the neck, the jaw hinge, and the base of the skull. See how your body responds to the resonance before doing more.

Will it help your tinnitus? The truth is we just don’t know. Everyone is different, and there is still more to learn about the underlying causes of tinnitus. Tuning forks have helped certain people, and will certainly help adjacent issues — tissue health, tension, pain, circulatory and energy flow — and for a lot of people, that’s where the ringing lives.

Explore the Otto therapeutic tuning forks.

- Blog post by Coby Cranman

References

1. Ralli M, Greco A, Turchetta R, et al. Somatosensory tinnitus: Current evidence and future perspectives. J Int Med Res. 2017;45(3):933–947. https://pmc.ncbi.nlm.nih.gov/articles/PMC5536427/
2. Ralli M, et al. Somatic Tinnitus. Int Tinnitus J. 2017;21(2). https://www.tinnitusjournal.com/articles/somatic-tinnitus.pdf
3. Won JY, Yoo S, Lee SK, et al. Prevalence and factors associated with neck and jaw muscle modulation of tinnitus. Audiol Neurootol. 2013;18(4):261–273. https://pubmed.ncbi.nlm.nih.gov/23881235/
4. Prevalence of somatosensory tinnitus in individuals with tinnitus. Egypt J Otolaryngol. 2025. https://link.springer.com/article/10.1186/s43163-025-00899-z
5. Bökel A, Fobbe A, Lesinski-Schiedat A, Sturm C. Exploring the Effects of Manual Therapy on Somatosensory Tinnitus and Dizziness: A Randomized Controlled Trial. J Clin Med. 2025;14(13):4579. https://pmc.ncbi.nlm.nih.gov/articles/PMC12249959/
6. Effects of Manual Therapy in Somatic Tinnitus Patients Associated with Cervicogenic and Temporomandibular Dysfunction: Systematic Review and Meta-Analysis of RCTs. Indian J Otolaryngol Head Neck Surg. 2022. https://pmc.ncbi.nlm.nih.gov/articles/PMC9256884/
7. Bimodal Stimulation Using Auditory and Vibrotactile Stimuli for the Mitigation of Tinnitus. ClinicalTrials.gov NCT06508060. 2024. https://clinicaltrials.gov/study/NCT06508060
8. Bimodal stimulation for the reduction of tinnitus using vibration on the skin. bioRxiv preprint. 2022. https://www.biorxiv.org/content/10.1101/2022.11.28.518290v2.full.pdf
9. Lenhardt ML. Vibrotactile suppression of tinnitus. J Acoust Soc Am. 2002;111(5 Suppl):2357. https://pubs.aip.org/asa/jasa/article/111/5_Supplement/2357/549467/Vibrotactile-suppression-of-tinnitus
10. Hiraba H, Inoue M, Gora K, et al. Facial Vibrotactile Stimulation Activates the Parasympathetic Nervous System. Biomed Res Int. 2014. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3910479/
11. Xu J, Costanzo M, Avanzino L, et al. Vibro-tactile stimulation of the neck reduces pain in people with cervical dystonia: a proof-of-concept study. Neurol Sci. 2024. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11422418/
12. Beaulieu J. Nitric Oxide and Tuning Forks. BioSonics. 2017. https://biosonics.com/2017/07/13/nitric-oxide-tuning-forks/
13. Salamon E, Kim M, Beaulieu J, Stefano GB. Sound therapy induced relaxation: down regulating stress processes and pathologies. Med Sci Monit. 2003;9(5):RA96–101. https://medscimonit.com/abstract/index/idArt/881368/
14. Bone Marrow Cell Recruitment Mediated by iNOS/SDF-1α Signaling Repairs the Acoustically Damaged Cochlear Blood-Labyrinth Barrier. Am J Pathol. 2010. https://pmc.ncbi.nlm.nih.gov/articles/PMC2993278/
15. Basal nitric oxide production in regulation of cochlear blood flow. Hear Res. https://www.sciencedirect.com/science/article/abs/pii/0378595594902518
16. Vibration, Nitric Oxide and You. Sound Healing Research Foundation. 2024. https://soundhealingresearchfoundation.org/wp-content/uploads/2024/11/NO-paper-5.pdf
17. Effects of Nitric Oxide Expression on Hearing Loss. PMC. 2025. https://pmc.ncbi.nlm.nih.gov/articles/PMC12429279/
18. Effects of nitric oxide synthase inhibitor on cochlear blood flow (with citing study: Evaluation of vardenafil for the treatment of subjective tinnitus: a controlled pilot study). Hear Res. 2002. https://www.sciencedirect.com/science/article/abs/pii/S0378595502003283
19. 128 Hz Tuning Fork Healing: Benefits, How to Use It & What Science Actually Says. Sakral Chimes. 2026. https://sakralchimes.com/128-hz-tuning-fork-healing-benefits-guide/