I have a question for those who own the Sine with Cipher. Have any of you experienced intermittent cut outs on the Cipher cable when walking around? When I have my phone (admittedly a large 6S Plus) in my pocket, this'll happen. I'm thinking it might be the strain relief on the lightning part...

You're welcome, WJF54. No problems double amping inasmuch as there was no clipping or added hiss (although if the HO of the GN4 generates hiss it will still be there). It's still discernibly a Fiio amp with their sound signature, but I think it sounds the best out of their product line (to...