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Network & communications
Pixel
16x16 Free Application Icons
music, off, sound
Black
16x16
media, button, Audio
music, last track, media
UI
Lynx Black
Audio, Cdrom, Dev
scpls, Audio
22x22
Audio, Wav
high, speaker, volume
medium, Audio, volume
volume, Audio, low
Audio, volume, muted
PNG MORE
Gnome icons
settings, Audio, music
48x50
Audio, Microphone, input
32x32
Audio
24x24
Audio, low, volume
medium, volume, Audio
Tango
volume, low, Audio
high, Audio, volume
muted, volume, Audio