Downloading Apple Audio TuneUp 2.0 for Mac from our website was free. The program belongs to System Tools.
From the developer:
AudioTuneUp 2.0 fixes the following audio problems: On PowerMac G3 and PowerMac 4400 models attempting to record from the external microphone using QuickTime does not work. On the PowerBook 3400c, PowerBook 2400c, and PowerBook G3 models sound sometimes does not play when running off of battery.
You may want to check out more software for Mac, such as TuneUp, Apple Configurator or Apple Remote Desktop, which might be related to Apple Audio TuneUp.
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