SMSL D400 EX - Sound Color and Pre-amp Modes; FN Key Functions

Instructions
SOUND COLOR
SOUND 1(5.6M)
SOUND 2(5.6M)
SOUND 3(11M)
SOUND 4(11M)
PRE MODE
PRE MODE is the volume adjustment function switch for the output.
FN KEY FOR
OUTPUTS
BLUETOOTH
PHASE
VARIABLE: The output volume is controlled.
FIXED: The output volume is fixed.
FIXED DSD BYPASS:
The output volume is fixed and DSD signal not pass the volume processing block.
The AK4499EX operates at a sampling rate of 5.6448MHz.
The AK4499EX operates at a sampling rate of 11.2896MHz.