We've never paid much attention to BBK's phones in the past, but today, this Chinese company -- who's actually the creator of the Oppo brand for the Western market -- announced a rather interesting Android 4.1 device. The idea of this Vivo X1 is that BBK wants to take audio very seriously on its new flagship phone, which is why it's been given a Cirrus Logic CS4398 digital-analog converter plus a CS8422 sample-rate converter -- a combo that's seemingly popular amongst Hi-Fi connoisseurs and manufacturers. And to match that audio performance, BBK's also throwing in a pair of Beyerdynamic MMX 71 iE ear
