DAC-V1 Native Upsampling Rate

Hi,

I am using a DAC-V1 connected directly to a Mac mini via USB and utilising Roon as the player.

I have been experimenting around with the upsampling capabilities of Roon (and HQPlayer) to see if it makes a positive difference to SQ.

In order to minimise upsampling load within the DAC-V1, I would like send all audio streams directly in the format that the DAC-V1 uses internally before amplification. Is this information available?

I am currently upsampling to 24/384 within Roon and I am convinced that it sounds 'better' than the raw 16/44.1 data stream.