The Pixel 7a has stereo sound from two openings, the main speaker at the bottom edge and the earpiece at the top that doubles as the second speaker, and faults show up as quiet sound, crackling, sound from only one side or no sound from the speakers at all. Work through the phone's own sound settings first, because most cases are settings. Press a volume button and tap the menu in the volume panel to check that media, ringtone and call volumes are each up, turn off Do Not Disturb, and look for a Bluetooth device that has grabbed the audio:
The checks in more detail
a pair of earbuds in a bag or a car 10 meters away takes the sound without any sign on the screen. Turn Bluetooth off and play a clip. Then check the Sound and vibration settings for any Sound Amplifier or Live Caption setting that changes output, and test with the Clock app's alarm and with a YouTube video, since an app that is silent while others play points to the app. Next look at the hardware openings. A case that covers the bottom speaker grille, dust, lint or pocket debris muffle the output, and a gentle clean with a dry soft brush clears them.
Do not use water or compressed air at close range. The Pixel 7a has an IP67 rating, but moisture inside after a swim can give a muffled or crackly sound until it dries, so leave the phone to dry. Restart the phone and boot into Safe mode to test whether a third-party app is interfering. If the sound crackles at all volumes in every app, or is silent from one grille only, the speaker unit is damaged and needs repair. A software update can fix output bugs, so install pending patches.
Back up, then take it to Google or a trusted repairer, remembering that opening the phone reduces its water resistance unless it is resealed properly. If sound is quiet only on calls, the earpiece is the issue and not the loudspeaker, and the earpiece grille is covered by a screen protector with a badly cut hole in many cases. Check that the protector's cut-out matches the earpiece and remove it for a test. For music that sounds thin or without bass, check the equalizer settings in any media app and the Sound Amplifier or Adaptive Sound settings, which may be on and changing the output.
Differential
Likely causes of “Google Pixel 7a speaker is quiet, distorted or has no sound”, and how to tell them apart
- 1
Bluetooth took the audio
What separates it No sound from the phone
How to confirm Turn Bluetooth off
- 2
Low volumes or Do Not Disturb
What separates it Silent alerts
How to confirm Check each volume and the mode
- 3
A covered or dirty grille
What separates it Muffled sound
How to confirm Remove the case and clean gently
- 4
Moisture after wetting
What separates it Crackly sound
How to confirm Let it dry fully
- 5
A damaged speaker
What separates it Crackle in every app
How to confirm Repair the speaker
Before you touch a setting
Record this first — changing settings destroys the evidence
- Whether the sound fails in every app
- Whether Bluetooth is connected
- Whether one grille is silent
- Whether it got wet
Try in this order
0 of 6 completedTurn off Bluetooth
ReversibleAnd test.
Check volumes and Do Not Disturb
ReversibleEach channel.
Clean the grilles
ReversibleWith a dry brush.
Test in several apps
ReversibleAlarm and video.
Boot into Safe mode
ReversibleTo rule out apps.
Repair if it crackles
ReversibleIn every app.
Model-specific
What is true of this model and not of its siblings
- Stereo
- The earpiece is the second speaker.
- IP67
- Resistance can weaken after repair.
Stop boundary
When this stops being a self-service repair
- !If one grille is silent or it crackles in Safe mode, repair the speaker
- !If it got wet, let it dry before charging
- !Back up first
Evidence ledger
Sources behind this answer
Screen protectors, Safe mode and restarts for touch faults.
Bluetooth diagnostics and forgetting a device.
Cleaning, protector, force restart and Safe mode steps for a Pixel touchscreen.
Exact questions
Common questions
Why is my Pixel 7a so quiet?+
Volume settings, Bluetooth or a blocked grille.
Where are the speakers?+
The bottom edge and the earpiece.
Does water damage sound?+
Yes, until it dries.
When should I repair it?+
If it crackles in every app.
speaker: model differences
Also covered: Google Pixel 9 family; Google Pixel 8 family; Google Pixel 7 family; Google Pixel 6 family; Google Pixel 10 family.