Should I add a DDC? Looking for experienced advise please.

So I will make this as basic as possible. I am just trying to decide if adding a DDC is relevant in my system. 

I am currently running. Innuos ZEN mini MKiii with Innuos power supply, Denafrips Pontus II into an Aric Audio 6snl7 line stage that's been upgraded by Aric. For power I am bi-amping with a Aric Audio super KT88 120 SE on the upper end. A pair of  Pass labs ACA's built with all upgraded components and some mods on the low end. Into Monitor audio silver 500's. All cabling DIYed with hi quality ingredients and the guidance of Mr. Wonka!

I understand my speakers are probably not the best choice but this is where I am at the at this point. Actually I am quite happy with the sound. I stream Tidal and Qobuz as well as my CD collection via hard drive.

So am I just "pissing in the wind" thinking adding a Denafrips Hermes between the ZEN mini and Pontus II is going to give me any improvement at all?

Would love to hear some input from experience!

Thank you.

J.F.