@pynkfloydd Extremely unlikely power cables, any cables or my modified BPT 3.5 Signature power conditioner at fault. I went through the whole cable routine borrowing cables from lending library at Cable Company, PC's, IC's and speaker at many price points and many manufacturers. I now use diy recipe designed by williewonka, the Helix Image for my PC's, I use VH Audio Airlock in various configurations. I've no doubt the congestion is combo of lack of burn in and the less than optimal usb input. Comparing usb input design on my Musetecs to Harmony leaves Harmony wanting, I2S the way to go.
By the way I use the balanced outs on Harmony to my fully balanced to modified and updated fully balanced Coincident Statement preamp. Based on a couple reviewers who've tried both balanced and SE, balanced preferred on Harmony.