Open Audio MIDI Setup . Select your multi-channel output, click Configure Speakers , and map them to the 7.1 Rear Surround layout.
The gold standard for home theater calibration, offering precise pink noise bursts for channel matching. surround sound test 7.1
Balances the volume of each speaker so distant rear speakers are not overwhelmed by closer side units. Open Audio MIDI Setup
"Testing the Subwoofer, also known as the Low-Frequency Effects channel, or LFE." click Configure Speakers