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UI
3D
Momentum Matte icons
speaker, delete
SaddleBrown
32x32
Mixed
Momentum Glossy icons
delete, speaker
DarkSlateGray
speaker, Go
Add, speaker
speaker
speaker, Error
DimGray
16x16
Music & multimedia
Milanioom
128x128
Shopping & e-commerce
Vista
speaker, sound, Audio
400x400
Family & home
Saint Valentines Day
speaker, sound, volume
Black
150x150
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Social media
0at RSS Icons
DarkOrange
381x381
Computer & hardware
Aire PNGs
WhiteSmoke
256x256
Crystal
speaker, music
Network & communications
BeOS
speaker, Server, Loud
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Drifting
speaker, sound, settings
64x64
The Spherical icon set
announcement, sound, speaker
MidnightBlue
Discovery
volume, speaker
speaker, volume
sound, speaker
speaker, Mute, sound
Desktop apps
Free Applications Icons
volume, sound, Audio
DodgerBlue
24x24
Business & finance
Phuzion
Minicons
48x48
Iconza
volume, sound, speaker