mac mini not recording 96khz

I am trying to do 24/96 vinyl transfers using a Behringer SRC2469 as an ADC going into the mini toslink input of a mac mini. I go into Audio midi to set the input to receive 96 khz, but mac automatically reverts the setting to 48 khz. If I connect the output of the Behringer to my Monarchy NM24 via toslink, the Monarchy recognizes the 96 khz with no problem. Any help is appreciated.