Onkyo TX-NR 838

Default Value: 0 dB
Select the low-frequency effect (LFE) level of each type of signal from
"0dB" to "-∞dB". If the low-frequency effect sound is too strong, select
"-20dB" or "-∞dB".
DTS-HD Master Audio
Default Value: 0 dB
Select the low-frequency effect (LFE) level of each type of signal from
"0dB" to "-∞dB". If the low-frequency effect sound is too strong, select
"-20dB" or "-∞dB".
DSD
Default Value: 0 dB
Select the low-frequency effect (LFE) level of each type of signal from
"0dB" to "-∞dB". If the low-frequency effect sound is too strong, select
"-20dB" or "-∞dB".
This setting works on LFE channel volume of DSD (Super Audio CD)
sources.