nBeats Rescue Finder

Start with the sound problem.

Choose the phrase that best matches what you hear. Each route opens the correct browser tool immediately—free, private and without an account.

Quick diagnosis

What are you hearing?

Phone speaker sounds muffled after waterPlay water eject sound

One AirPod is quieter than the otherRun AirPods sound test

One earbud is not workingCheck left and right earbuds

Microphone is not working or too quietStart online mic test

Laptop speakers are buzzing or cracklingTest laptop speakers

Only one headphone or speaker side worksPlay left-right sound test

Need an exact Hz test toneOpen online tone generator

All browser tools

Test, compare and decide what to do next.

Most used

Water Eject Sound

Remove water from a wet or muffled phone speaker grille.

Online test

Phone Speaker Test

Check muffled sound, crackling, distortion or low volume.

Private

Online Mic Test

Check if your microphone works. Nothing leaves your device.

Stereo

Left / Right Speaker Test

Check when one headphone, earbud or speaker side is quiet.

Frequency

Online Tone Generator

Generate an exact sine-wave frequency from 40 Hz to 18 kHz.

nBeats lab

Audio Profiles

Purpose-specific sweeps with visible frequency ranges.

AirPods

AirPods Sound Test

Check when one AirPod is quieter, muffled or missing.

Earbuds

Earbud Left / Right Test

Identify a quiet, blocked or missing earbud side.

Range

Headphone Sound Test

Check left-right balance, buzzing, bass and treble gaps.

Laptop

Laptop Speaker Test

Check buzzing, crackling or missing MacBook and PC audio.

Private

Audio File Volume Booster

Make local MP3 or WAV playback louder with safe limiting.

Expert help

Rescue Guides

Clear steps for water, muffling and moisture alerts.