Asus Xonar HDAV1.3 Slim User Manual page 34

4 LFE Crossover
Frequency
34
Adjusts the cut-off frequency (50~50Hz) for LFE (low-
frequency effects) signals. Xonar HDAV Slim will filter out
the bass signals below the crossover frequency from small
speaker channels and forward them to the subwoofer. The
higher the crossover frequency, the more bass signals will be
subtracted.
ASUS Xonar HDAV Slim