I have this unit in excellent condition, less than 1 year old, ready to sell because I deal in RME and upgraded to an RME unit. Because it appears to be more or less the Stealth DC-1 but in a much larger chassis, it runs cool. I had planned to send it over to Amir for testing, but honestly, he's so overloaded, and this is quite obviously mid-tier, that it seems pointless. I bought it new from Emotiva. Retails for $329.
https://emotiva.com/collections/pre-amps/products/pt-100
https://emotiva.com/collections/pre-amps/products/pt-100