iPhone speaker test you can run in two minutes
A test tone, the built in iOS checks and an honest symptom table. Use this page to find out which of your iPhone's two speakers is failing, whether a setting is responsible, and what to have ready if you end up at a Genius Bar.
How to test an iPhone speaker
Three tone checks and three iOS checks. Do them in this order so you do not chase a setting that was never broken.
Strip the phone
Case off, screen protector inspected. Both can imitate a dead speaker convincingly.
Ringtone preview
Settings, Sounds and Haptics, tap any ringtone. That is the bottom speaker on the ringer slider.
Sweep at 50%
Run the test tone and listen for dropouts or a harsh band as the frequency climbs.
Finger isolation
Cover one speaker, then the other, on a steady 440 Hz tone. Compare levels.
Balance slider
Accessibility, Audio and Visual. A slider nudged left or right silences one channel in every app.
Voice memo
Record and replay a sentence. It tests the mics and gives you a recording to show a technician.
The bottom speaker and the earpiece are separate problems
Every recent iPhone plays stereo through two very different drivers. The bottom speaker, right of the charging port, is the loud one: ringtones, speakerphone and most of what you hear in music. The earpiece above the screen is the quiet one, and it doubles as your call speaker and the second stereo channel.
Because one is much louder than the other, a failing earpiece can hide behind music for months. Test them apart, not together.
- Bottom speaker: tap a ringtone in Sounds and Haptics, or hold the test tone and cover the earpiece.
- Earpiece: make a real call with speakerphone off, or play a voicemail with the speaker button unselected.
- Both together: any music track, which is the least informative test and the one most people start with.
- Microphones: Voice Memos, recorded at arm's length and played back at half volume.
Remember that iOS keeps ringer volume and media volume on separate sliders, and the side switch mutes the ringer but not media. A missed ringtone with perfect music playback is a volume setting, not a speaker.
Three iOS settings that imitate a broken speaker
Each of these has sent people to a repair shop with nothing wrong with the hardware.
Audio balance slider
Settings, Accessibility, Audio and Visual. Pushed fully left or right, one channel goes silent everywhere. It is the classic cause of one quiet side.
Ringer versus media volume
Two independent sliders, plus the side switch. Silent ringtones with loud video is a settings story, not a hardware one.
Stray audio routing
A forgotten car stereo, a Bluetooth speaker in the next room, or AirPods still connected in a bag. Check Control Centre output before anything else.
iPhone speaker symptoms and what they mean
Match what you hear to the closest row, then take the next step in the final column.
| Symptom | Likely cause | Next step |
|---|---|---|
| Gradually quieter over months | Lint packed into the bottom grille | Run the iPhone speaker cleaner three times |
| Muffled since it got wet | Water in the speaker cavity | Water eject cycles, speaker down, off the charger |
| Callers muffled, music fine | Blocked earpiece | Try the call speaker cleaner and the ear speaker test |
| One channel silent in every app | Audio balance slider off centre | Reset it in Accessibility, Audio and Visual |
| No ringtone, media plays fine | Ringer slider or the silent switch | Raise the ringer volume in Sounds and Haptics |
| Crackling that grows with volume | Damaged driver | Stop testing loud and book a diagnostic |
| Recording sounds muffled too | Microphone blocked, or a case over the mic hole | Clean the bottom edge, retest in Voice Memos |
| Nothing plays anywhere at all | Audio routed to another device | Check output in Control Centre, then restart the phone |
Two rows point away from cleaning entirely. Crackling that scales with volume and audio that fails in every app after a restart are both worth taking to Apple rather than treating with more tones.
Before you book a repair
Apple Support can run remote diagnostics on an iPhone, and a Genius Bar appointment starts with much the same test you have just done by hand. Walking in with evidence shortens the visit.
- Write down when it started and what changed just before, especially liquid contact or a drop.
- Note which speaker fails, at which volumes, and whether cleaning cycles changed anything.
- Record a Voice Memo demonstrating the fault and email it to yourself.
- Check warranty or AppleCare status in Settings, General, About.
- Back the phone up, since a repair can mean starting from a restore.
- Book through the Apple Support app, and say you have ruled out the balance slider and the case.
Try cleaning first, it is free
A packed grille and a failed speaker produce similar complaints, and one of them costs nothing to fix. Three cleaning cycles take five minutes, and if they change nothing you have a stronger case to make at the counter.
Model specific routines are on the iPhone 11, iPhone 12 and iPhone 13 pages, and general causes are covered in what to do when a phone speaker stops working.
iPhone speaker test questions
Is there a hidden iPhone speaker test code?
No. Android phones sometimes have dialler service menus, but iOS has no secret hardware test code. The closest official route is a remote diagnostic run by Apple Support.
How do I test the iPhone earpiece without calling someone?
Play a voicemail with the speaker button turned off, or listen to an audio message in Messages by raising the phone to your ear. Both route audio through the earpiece.
Why is one side quieter when I watch video in landscape?
Usually the audio balance slider in Accessibility, or a blocked earpiece acting as the weak channel. Check the slider first, it takes five seconds.
My ringtone is silent but music works. Is the speaker broken?
Almost certainly not. Ringer volume and media volume are separate sliders, and the side switch mutes only the ringer. Both live in Sounds and Haptics.
Does Voice Memos really test the speaker?
It tests both ends of the chain. If a recording sounds clear in headphones but muffled on the speaker, the speaker is the problem. If the recording is muffled, look at the microphones.
How loud should I run the test tone?
Do most listening at half volume and keep the full volume pass to a few seconds. A steady tone at maximum is harder on a small driver than music, and harder on your ears.
Will Apple clean my speaker grille?
Staff will inspect it and often remove obvious debris, but Apple does not offer grille cleaning as a service and will not pick at the mesh. That is why a free sound cycle is worth trying first.
The test is fine but my phone still sounds bad. What now?
Look at what is playing rather than what is playing it: streaming quality, an EQ preset, mono audio in Accessibility, or a volume limit. See making a speaker louder.
Find out which speaker is failing
Run the tone, isolate each speaker, check the slider. Then clean it or take it in with evidence.