How to Use Audio Bilateral Stimulation with Headphones

To use audio bilateral stimulation, put on stereo headphones so the sound can move between your ears, choose alternating tones or a bilateral-panned track, and hold a mild thought or feeling loosely in mind while you listen. Keep the rhythm slow and steady, about once per second, for 30 to 60 seconds, then pause and notice what shifted.

Maybe eye movements make you dizzy after a few seconds. Maybe tapping your knees on a crowded train feels like something you’d rather not explain to anyone nearby. Audio solves both problems: it needs nothing but headphones, and your eyes can stay wherever they want.

This guide covers the audio-specific setup and steps. For the fuller basics of self-guided practice, see our beginner’s guide to bilateral stimulation.

What do you need before you start?

Not much: stereo headphones or earbuds, a phone or laptop to play sound through, and a few quiet minutes.

Stereo is the part that actually matters, more than brand or price. Audio bilateral stimulation works by sending sound to one ear, then the other, back and forth in a steady rhythm. That alternation needs two separate channels, which is exactly what stereo headphones give you and a speaker doesn’t. Play the same tone through a speaker instead, and both channels blend together in the open air before they reach you, so the left-right movement disappears.

The same logic rules out a single earbud. One earbud only ever plays one channel, so there’s nothing to alternate between. You need both ears covered for the pattern to exist at all.

Wired or Bluetooth both work fine. The pace used for bilateral stimulation is slow, at most about one switch per second, so the small delay Bluetooth adds is too short to notice.

How do you do audio bilateral stimulation, step by step?

Here’s the simplest version to start with.

1. Put on your headphones and start your tone or track. Confirm the sound is actually moving between your ears, not sitting in the middle. If it sounds centered, check that you’ve chosen a stereo source and that both ear cups or buds are seated properly.
2. Set the volume to a comfortable, moderate level, not maxed out.
3. Get settled somewhere you won’t be interrupted, sitting or lying down.
4. Bring a mild thought or feeling to mind, loosely, something like everyday tension rather than your heaviest memory. Rate how strong it feels, 0 to 10.
5. Let the sound alternate for 30 to 60 seconds while you hold that thought loosely in the background.
6. Pause and take a breath. Notice what shifted, if anything.
7. Re-rate the feeling, 0 to 10. If it’s easing, do another round or two. If it’s not moving, or it’s climbing, stop and switch to plain grounding instead: feet on the floor, a few slow breaths.

That’s the whole technique. The headphones do the work; you just hold the thought and notice.

Alternating tones or a bilateral-panned track: which should you pick?

Two things get called “audio bilateral stimulation,” and it’s worth knowing the difference.

Plain alternating tones are the original version: a simple tone that switches from ear to ear at a steady pace. EMDRIA lists tones alternating between the ears as one of three official bilateral-stimulation channels EMDR uses, alongside eye movements and taps.

Bilateral music applies that same alternating pattern to an actual song instead of a plain tone, panned fully from left to right through headphones. It’s a musical variant of the same channel, not a separately studied technique of its own.

Don’t confuse either one with binaural beats, a different technique built on a different mechanism: two steady tones at slightly different frequencies, one per ear, that your brain perceives as a single pulsing beat rather than sound moving back and forth. Bilateral stimulation and binaural beats aren’t interchangeable, so swapping one for the other isn’t a small style choice.

Type	What it is	What it needs
Alternating tones	A plain tone that switches ear to ear at a steady pace	Headphones and a tone generator or app
Bilateral music	A song panned fully from left to right at a steady pace	Headphones and a bilateral-panned track
Binaural beats	Two fixed tones at slightly different frequencies, one per ear, heard as a single pulsing beat	Headphones, but a different mechanism, not alternation

Either tones or a panned track does the job. Tones are simpler to find or generate at a specific pace; a track can feel more pleasant to sit with for longer stretches. Pick whichever you’d actually use again.

How fast should the sound alternate?

Speed matters here as much as the choice of tone or track.

For calming down or settling before something, keep the pace slow and steady, about one switch per second, like a gentle heartbeat. That’s also the pace researchers most often test: a 2013 study on eye movements and tones alternated tones through headphones at that same speed, 1 Hz, in 30-second sets.

Working through a specific looping thought is different from just calming down. There, a faster pace, one that takes real, active effort to track, tends to do more. That guidance comes from eye-movement research, but the same working-memory logic applies to any channel, audio included.

Comfort is still the ceiling either way. Neither goal calls for pushing past what feels tolerable to chase a faster pace.

Does audio bilateral stimulation actually work?

Honestly, yes as a legitimate channel, with a real caveat: the direct proof behind audio specifically is thinner than for eye movements.

Start with what’s solid. EMDRIA counts auditory tones as one of three legitimate bilateral-stimulation channels, not a wellness invention borrowing EMDR’s name. The leading explanation for why any of these channels calm you down is a working-memory account: holding a thought in mind while tracking an alternating rhythm competes for the same limited attention, so the thought tends to feel less intense. Researchers van den Hout and Engelhard tested this against competing theories in a 2012 review and found it held up best. Nothing about that account depends on which sense carries the rhythm.

Where audio has been tested head-to-head against eye movements, the results favor eye movements. The 2013 study mentioned above found tones performed about the same as plain recall, no alternating sound at all, on reducing a memory’s emotional charge and vividness, while eye movements pulled ahead of both.

Audio does have its own supportive evidence, just from a different angle. A 2017 study in Frontiers in Psychology taught 22 healthy adults a fear response, then tested whether alternating tones through headphones helped that fear fade. Bilateral auditory stimulation produced a significantly bigger drop in fear expectation during that process than a non-alternating control, measured through skin-conductance responses rather than self-report. That’s a different outcome than memory vividness, and one audio earned on its own.

A small 2023 feasibility study also added personalized music to standard EMDR sessions for 12 people with trauma histories and found the approach safe and well tolerated. That’s encouraging for audio’s place inside full therapy; it doesn’t prove a standalone track matches tones for everyday self-guided use.

Put together, audio is a real, recognized channel with its own mechanism-level and physiological support, not a knockoff of eye movements. What it hasn’t earned is proof that it matches eye movements measure for measure on reducing a memory’s charge. For everyday tension, that gap matters less than it sounds.

Why choose audio over eye movements or tapping?

None of the three channels is the “real” one, so the honest case for audio is mostly practical.

• Your eyes get to close or rest. No tracking a moving point, no screen.
• It’s discreet. Nobody around you can tell alternating tones are playing through your headphones, unlike visibly tapping your hands or knees.
• Your hands stay free. Useful at a desk, on a train, anywhere tapping would draw a look.
• It suits winding down. Eyes-closed and headphones already fit the moment for a lot of people at night.

If eye strain, a shared space, or simply wanting your eyes shut is what’s steering you toward audio, that’s a sound reason on its own, not a consolation prize. Our guide to choosing BLS type and speed walks through how to decide among all three if you’re still weighing options.

What headphones and volume should you use?

Less depends on the headphones than you’d think, and more depends on the volume than you’d think.

Over-ear, on-ear, wired earbuds, true wireless: any of them works, as long as both ears get their own channel. Noise-cancelling models can help you focus in a loud room, but they’re a comfort feature here, not a requirement.

Volume deserves real thought, since this is something you might come back to often. The World Health Organization’s safe-listening guidance points to keeping personal-device volume moderate for extended listening, roughly 60% of maximum or below. That’s lower than where most devices default to. A tone or track played at a comfortable, moderate level does the job just as well as one played loud, so there’s no upside to turning it up.

When should you not use this, or stop?

Save it for parked, seated moments, not while driving or operating anything. Actively holding a thought in mind while tracking alternating sound divides your attention, the same way a phone call does. That’s a poor match for anything that needs your full attention on the road. Our answer on listening to bilateral audio while driving goes deeper on the difference between that and just having calming audio on in the background.

This technique is also built for everyday tension, not for reprocessing a specific traumatic memory by yourself. If bringing a thought to mind pushes your distress past a 7 out of 10 and it won’t settle, or pulls up something heavier than you intended, stop. Take off the headphones, ground yourself instead, and let your body settle before deciding whether to continue.

EMDRIA, EMDR’s own professional association, is clear that full EMDR therapy should only be delivered by a trained, licensed clinician. Audio bilateral stimulation on your own is a wellness practice for everyday stress, not a stand-in for that kind of care.

The guided version

Keeping count of sets while also noticing what’s shifting is real mental overhead, and it’s the main friction in doing any of this by hand. EmEase, a self-guided EMDR app, runs the rhythm for you: audio bilateral stimulation through alternating tones, paired with an on-screen visual target if you’d rather watch than listen, both with pacing you set yourself, in the web app. Think of it as the guided version of this technique: you bring the headphones and the thought, it handles the timing.