That electronic interference noise is very different noise than say normal noise floor of an iphone. That 5dB "increase"/electronic interference @-95dB is usually below threshold of hearing. That -95dB buzzing noise could be the best case scenario( that was measured with RME FireFace 800). I...

I'm a bit late to the "iphone6s is buzzing" party, but anyways. . . Just bumped into this iPhone 6S/S+ noise leak phenomena and decided to measure my own iphone 6s+ headphone-out for noise leak. So i connected my iPhone 6S+ to RME Fireface 800 and recorded while using app switcher, control...

A few combinations tested during the holidays... iPhone 5 + Lightning cck + Fiio E7 = no dice. (Maybe jailbreaks will bring fixes like for iphone4) Ipad 4th gen + lightning cck + Fiio E7 = works flawlessly Ipad 4th gen + lightning cck + Fiio E17 with powered usb hub = works flawlessly Ipad 4th...