a small and menu bar based utility that resets your Mac's volume to a predetermined volume level when you shut down or put your computer sleep.
Volume Reset v1.0 MacOSX Retail-CORE
Resets your Mac's volume to a predetermined volume level after each shut down / sleep sequence
This can be handy for those who forget to turn their volume down before shutting down so as to not disturb others when booting up next time.
Once installed, you can set the Volume Reset as a Login Item so that you never have to worry about resetting your volume again.