Now these are wild is it possible to post what headphones it's known to work with? Has anyone tried it biwired to two quarter inch headphone plugs, which cable did they use?

Sooloos, Roon, G series (with LPS upgrade), 800 series (with LPS upgrade), HD621, AC200, Prime and PS, DSPs old and new.

Purdeys, Moke, Leica, 'Blad. Only the best.