PNG ICO ICNS SVG MORE
Computer & hardware
Glyph
Ionicons
volume, high
Black
512x512
volume, low
low, volume
volume, medium
Mute, volume
Mixed
Smooth
Tango Icon Library
Audio, high, volume
Audio, low, volume
volume, muted, Audio
volume, medium, Audio
PNG ICO ICNS MORE
Social media
3D
Free Large Twitter Icons
twitter, Audio, Social
PNG MORE
Business & finance
24x24 Free Application Icons
volume
24x24
volume, off, music
Network & communications
Pixel
16x16 Free Application Icons
16x16
Win8 and iOS Tab Bar Icons - free
vintage, volume, radio
60x60
UI
Outline
Wirecons Free Vector Icons
speaker, volume, Audio
Swanky Outlines
volume, Maxim
256x256
Pittogrammi
speaker, volume, sound
sound, speaker, volume
volume, Loud, sound
Devine Icons Part 2
Full, volume
128x128
medium, volume
off, volume