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Select this setting when connecting the subwoofer to an external bass management system.
When external is selected, XLR left and right outputs are disabled.
SURROUND SOUND SYSTEMS AND LFE
The LSR310S Subwoofer can be used to reproduce the LFE (Low Frequency Effects) or .1 channel in a
surround sound system. In lm production applications, the LFE channel contains low frequency effects,
such as the sounds of explosions, and other sounds with a strong low frequency component. In music
applications, the LFE channel usually contains low frequency instruments such as bass, bass drum, and