what does this symbol mean?
IEC 60417 A loudspeaker with a cross beside it

Mute symbol

Mute. A loudspeaker crossed out means the sound is off.

How to read it

A loudspeaker with a cross or a stroke through it is the mute symbol. Unicode encodes it as U+1F507, the speaker with cancellation stroke, next to the plain speaker, U+1F508, the speaker with one sound wave and the speaker with three sound waves, which Unicode also names sound. Windows has its own Mute icon in Microsoft’s Segoe Fluent icon set.

Mute, silent ringer or microphone off

A bell crossed out is a different symbol: Unicode encodes it separately, as U+1F515, the bell with cancellation stroke. Microsoft’s icon set likewise has separate icons named Mute, RingerSilent and MicOff.

Muted in Windows

Microsoft’s guide to sound problems says that in the Windows 11 volume mixer a muted device shows an “x” next to its volume control, and in Windows 10 a red circle with a line through it.

More power and device symbols

The same shape elsewhere

Sources

Researched, edited and approved by Rory Hansen before publishing. Last reviewed October 3, 2026. How we research

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