Is it possible on an iMac to determine if the sound system working at its optimum level other than take it into a store?

I recently had a power outage which decreased the output sound on my iMac or on the Yamaha receiver to which it is connected. I'm trying to figure out which. Is there any built-in sound diagnosis can I check to see if my iMac occurs the most of his ability?

No doubt, but not integrated into the OS X. Unplug your stereo and listen to the computer directly, check your settings in sound preferences, listen to it with a pair of headphones directly connected to the computer.

Tags: Mac

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