I was assuming you misspoke when you said he was using Bluetooth with Tidal, but if he’s really streaming using Bluetooth that needs to end because it’s a nonstarter and a complete waste of Tidal. Incidentally the Pontus 15th is apparently a big step up from the 12th, and maybe he could do a demo through @audioman58 here who offers nice discounts and is a distributor for Denafrips products. Here’s a link in case it helps…
https://www.audiogon.com/listings/lisbcg07-denafrips-pontus-15-dac-excellent-review-da-converters