Earphone Check Tester

Earphone Check Tester is a complete audio test kit for your earphones, headphones, speakers and Bluetooth buds. Find out in seconds whether both sides work, how deep the bass goes, whether the microphone picks up your voice, and how your Bluetooth connection performs.

★ ONE-TAP FULL DIAGNOSTIC
Run a quick check and get a clear health score, with left/right balance, latency and distortion shown at a glance.

★ FREQUENCY TESTS
• Channel Test – play sound in the left, right or both ears and adjust stereo balance
• Bass Test – sub-bass and bass tones from 20 Hz to 250 Hz
• Midrange Test – check the vocal range
• Treble Test – crisp high-frequency tones
• Frequency Sweep – a smooth 20 Hz to 20 kHz sweep

★ QUALITY TESTS
• Driver Quality – compare how the left and right drivers match
• Polarity Test – check that both drivers are in phase
• Distortion Test – spot rattles and buzzing
• Sound Quality – generated samples to judge clarity, detail and separation
• A/B Compare – switch between sound profiles

★ HEARING & MICROPHONE
• Hearing Test – play tones from 250 Hz to 8 kHz in each ear
• Hearing Age – find the highest frequency you can hear
• Sensitivity Test – find your quietest audible volume
• Microphone Test – see live input levels from your earphone or phone mic
• Sound Level Meter – see how loud your surroundings are

★ AUDIO TOOLS
• Tone Generator – create any tone
• Equalizer – 5-band EQ to shape the sound
• Binaural Beats – focus and relax sessions for headphones
• Audio Playback – test with your own music
• Spatial Audio – 3D sound that moves around your head

★ MAINTENANCE
• Speaker Cleaning – use high-frequency sound to help push water and dust out of speaker grills
• Burn-in – break in new drivers with white, pink or brown noise, even in the background
• Isolation Test – check how well your ear tips seal
• Latency Test – measure audio delay

★ BLUETOOTH INFO
See the connected device name, type, codec, sample rate, bit depth, channels and audio latency.

★ DESIGNED TO BE ENJOYED
• 4 animated themes: Champagne Gold, Sapphire Ice, Rose Magenta and Mono Obsidian
• Card transparency with a live particle background
• Test history, filtered by test type

FREE & PREMIUM
8 core tests are free. Premium tests can be unlocked for a while by watching a short ad, or you can go Premium to unlock all tests and remove ads.

TIPS
• Use a quiet room and start at a low volume.
• Built-in phone speakers can't play very low bass. Use earphones or external speakers for bass tests.

Note: The hearing tools are for general information only. They are not a medical device and do not diagnose any condition.

Recent changes:
First release of Earphone Check Tester!
• Test left/right, bass, treble and mic
• Hearing test and frequency sweep
• Equalizer and speaker cleaning