Further continuing the commitment to bring premium High-resolution audio to consumers everywhere, Sony today introduced an expanded range of portable audio options to enjoy Hi-Res sound on-the-go. This includes three new headphones –the MDR-Z7 headband type Hi-Res Headphones, MDR-1ADAC Hi-Res Headphones with Integrated DAC/Amplifier, and XBA-Z5 Hi-Res In-Ear Headphones–as well as the PHA-3 Portable Headphone DAC/ Amplifier, and several headphone cables including models engineered with Kimber Kable…