Looking for High Quality Streamer Only Options (NO DAC)?

I'm looking to find a dedicated streamer, ideally <$2k. Here are the objectives: 

1. Must be Roon Ready

2. No internal DAC

3. USB, Optical or Digital Coax input

4. Great quality to feed an outboard DAC. 

The idea here is to hopefully avoid paying for an internal DAC and just by a stable streamer, giving the manufacturer the ability to dump all the parts and labor costs into the streaming side only. In other words, why pay for an internal DAC I won't use.