PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
Favourites, low, star
Black
16x16
rating, bookmark, hit
UI
Fugue Icons
speaker, volume, low
Arrows
Sanscons
low, volume
64x64
Lynx Black
volume, Audio, low
Gnome icons
Audio, low, volume
24x24
score, low
Tango
volume, low, Audio
32x32