PNG ICO ICNS MORE
UI
Glyph
Windows 8 metro style
volume
DarkSlateGray
512x512
PNG ICO ICNS SVG MORE
Freecns Cumulus
volume, Down
Black
volume, Up
PNG MORE
Mixed
3D
Rubber icons
speaker, volume, music
Khaki
192x192
Desktop apps
Pixel
Simply 8-bits #13
volume, plus
96x96
Music & multimedia
Sound and Audio
speaker, plus, volume
off, volume, speaker
speaker, volume, Minus
medium, speaker, volume
volume, Loud, speaker
Computer & hardware
Ionicons
volume, high
volume, low
low, volume
volume, medium
Mute, volume
PNG SVG MORE
Iconic
Smooth
Tango Icon Library
Audio, high, volume
Audio, low, volume
volume, muted, Audio
volume, medium, Audio
Social media
Free Large Twitter Icons
twitter, Audio, Social
Business & finance
24x24 Free Application Icons
sound, video, silence
OrangeRed
24x24