Speaker and Headphone Test

Sound the left and right sides separately to check the channels are not swapped and that neither side is silent. You can also step through 20Hz to 16kHz to find how far your headphones — and your ears — actually reach.

🔧 Runs in the browser. Nothing to install, nothing uploaded.

🔈

LEFT

🔊

RIGHT

Use the buttons below to sound one side at a time. Volume starts at 30%.

Frequency440Hz

Volume30%

Do not listen to high frequencies loudly for long. It is not good for your hearing.

Check these yourself and tick them off

With left only, sound comes from the left onlyWith right only, sound comes from the right onlyBoth sides are about the same loudnessNo crackling or cutting out

What this test checks

Left and right channels separately
Stereo balance
Playback across frequency bands
Volume control

Other device tests

Microphone TestLive input level, plus record and listen back Keyboard TestFind dead keys and check N-key rollover Mouse Click TestTest left, right and wheel clicks, and check for chatter Webcam TestCheck the picture, resolution and frame rate, take a snapshot

Results depend on your browser and drivers. If something looks wrong here, try the same test in another browser before assuming the hardware is at fault.