Streamer/DAC recommendations for tube amp - headphone setup

Hi all. Considering moving my LSA HP-1 headphone and Feliks tube headphone amp to another room, and would like to stream to it. I’d like to keep the costs to $2k or less. Any recommendations? BTW, that headphone and tube amp combo is great with the PA Audio DAC Sr. and SACD transport, but then again its a solid front end.

Circa $1k