How to test your speakers online

June 2026

Something sounds off. One speaker seems quieter. The bass disappeared after an update. Voices sound tinny. Before you buy new hardware or start messing with system settings, test what you have.

You can test speakers directly in your browser - no downloads, no apps. A speaker test online generates tones at specific frequencies and sends them to specific channels. If you hear the tone clearly, that part of your audio chain works. If you don't, you've found the problem.

What a speaker test actually checks

Three things:

Left/right channels - is audio reaching both speakers, and are they correctly assigned?
Frequency range - can your speakers reproduce bass (low), mids, and treble (high)?
Distortion - do tones sound clean, or is there buzzing/rattling at certain frequencies?

How to test left and right speakers

Open the left right speaker test and:

Click "Left" - you should hear a tone from the left side ONLY
Click "Right" - tone from the right side ONLY
Click "Both" - equal volume from both sides

If one side is silent: check cable connections, audio balance in system settings, or try a different audio source to isolate whether it's hardware or software.

If sides are swapped: your left/right cables are reversed, or your system has the channels flipped in settings.

How to test bass response

Click frequency buttons in the 100-200 Hz range. For subwoofers, try lower.

100 Hz - deep bass. Laptop speakers won't produce this. Headphones and external speakers should.
200 Hz - upper bass. Most speakers handle this. If you can't hear it, something is wrong.
440 Hz - middle A note. Every speaker should produce this clearly.

If you hear nothing below 200 Hz on laptop speakers - that's normal. The drivers are too small. On headphones or external speakers, you should hear down to 100 Hz or lower.

How to test treble and high frequencies

Click 8k, 10k, 12k, 15k, 18k buttons.

8 kHz - bright, clear. Everyone should hear this.
12 kHz - high but audible for most people under 50.
15 kHz - some adults can't hear this anymore (hearing aging).
18 kHz - most adults over 25 can't hear this. Teenagers can.

If your speaker produces 12 kHz but not 15 kHz, it might be your hearing rather than the speaker. Try with someone younger to confirm.

How to run a frequency sweep

The frequency sweep test plays a tone that smoothly rises from 20 Hz to 20,000 Hz over 10 seconds. Listen for:

Where sound starts - this is your speaker's low-frequency cutoff
Dead spots - frequencies where volume drops noticeably
Buzzing or rattling - resonance problems in the driver or enclosure
Where sound stops - high-frequency rolloff (partially hearing, partially hardware)

Expected frequency ranges by speaker type

Speaker type	Expected range	Notes
Laptop speakers	200 Hz - 12 kHz	No real bass
Phone speakers	300 Hz - 10 kHz	Narrowest range
Bluetooth speaker	80 Hz - 16 kHz	Varies widely by model
Bookshelf speakers	60 Hz - 20 kHz	Good all-round
Headphones	20 Hz - 20 kHz	Best for full range
Studio monitors	40 Hz - 22 kHz	Flattest response

Common problems and what they mean

No sound from one side: Dead channel. Check cables, balance settings, try a different source.
Buzzing at specific frequencies: Resonance - something vibrating. Could be a loose screw, a damaged driver, or an object touching the speaker cone.
Sound cuts out at low volume: Wiring issue or aging amplifier in powered speakers.
Harsh/distorted treble: Tweeter damage. Often caused by playing at very high volume.
Bass disappeared after update: Check system equalizer settings. Windows and macOS updates sometimes reset audio enhancements.

After testing speakers: test your microphone

If you tested output and everything works, you might also want to check input. Our sound meter online uses your microphone to measure ambient noise - it verifies your mic is working and shows what it picks up in real time.

Test your speakers now

Tones, stereo check, and frequency sweep - all in your browser.

Open speaker test

Frequently asked questions

How do I test if both my speakers are working?

Use a left/right stereo test. Play audio to the left channel only - you should hear it from the left speaker and nothing from the right. Then test the right channel. If one side is silent, that speaker or its connection has a problem.

Can I test speakers using just my browser?

Yes. Browser-based speaker tests use the Web Audio API to generate tones directly - no app needed. Open the page, click a frequency button, and if you hear the tone, your speaker works at that frequency.

Why can't I hear bass from my laptop speakers?

Laptop speakers are physically too small to reproduce bass frequencies below 150-200 Hz. The driver cone needs to be large enough to push enough air at low frequencies. This is a hardware limitation, not a software issue. Use headphones or external speakers for bass.

How do I know if my headphones have good frequency response?

Run a frequency sweep from 20 Hz to 20 kHz. Good headphones reproduce sound clearly across the full range. If you notice certain frequencies are much louder or quieter than others, or if sound cuts out below a certain point, that reveals the headphone's limitations.

What frequency should I use to test subwoofers?

Use 40-80 Hz. A subwoofer should reproduce these cleanly without distortion or rattling. If you hear buzzing or vibration at 50-60 Hz, either the driver is damaged or something near the sub is resonating.

Is the left/right test accurate through Bluetooth?

Yes, as long as your Bluetooth device is stereo (most headphones and speakers are). Mono Bluetooth speakers will play both channels from one driver - that's expected behavior, not a test failure.

How often should I test my speakers?

Only when something seems wrong - audio sounds unbalanced, one side is quieter, bass disappears, or you hear distortion at certain volumes. There's no need for routine testing unless you suspect a problem.

A speaker test takes 30 seconds and tells you exactly what's working and what isn't. Start with left/right to check channels, then frequencies for range, then a sweep for detail. If everything passes, the problem is upstream - software settings, source material, or your ears.