PNG MORE
Business & finance
Glyph
24x24 Free Application Icons
volume
Black
24x24
volume, off, music
PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
video, no sound, sound
Red
16x16
Social media
Win8 and iOS Tab Bar Icons - free
vintage, volume, radio
60x60
PNG ICO ICNS SVG MORE
UI
Outline
Wirecons Free Vector Icons
speaker, volume, Audio
512x512
Swanky Outlines
volume, Maxim
256x256
Mixed
Pittogrammi
speaker, volume, sound
sound, speaker, volume
volume, Loud, sound
Devine Icons Part 2
Full, volume
128x128
medium, volume
low, volume
off, volume
iOS 7 icons
high, volume
volume, medium
Smooth
Snipicons
Down, volume
volume, off
Up, volume
Windows 8 metro style
DarkSlateGray
Flat
Metro UI Icon Set
Not, Running, volume
Firebrick
volume, Mute
DarkOrange