Below are excerpts from the review:
All in all, after a ton of switching back and forth, I can confidently say that ddHIFI DH65B is fully transparent, does not have any signature, coloration or signal degradation, regardless of the cable, headphone, source or volume it is being used at. It has a negligible impedance as well as fully transparent design, so you can rely on it to use your favorite cables with a setup that’s not
made for them.
made for them.
From: Audiophile Heaven