Master Your Sound: A Guide to the Sony STR-K670P Home Theater Receiver
"The manual says this optimizes the speaker delay and distance," Elias explained over the noise. "It adjusts the EQ so the sound hits your ears at the exact same time from every corner of the room. Without the manual, most people just guess. But Sony engineered this to mathematically correct the acoustics." sony str k670p manual
The ACS is a convenient feature that helps you optimize the performance of your STR K670P. To use the ACS: Master Your Sound: A Guide to the Sony
"Sony STR K670P manual filetype:pdf"