[IMG]http://cdn.slashgear.com/wp-content/uploads/2016/09/Sony_Signature_******_Main-680x283.jpg[/IMG]Sony has a new ?Signature ******? line of what it calls high-resolution audio devices. Counted among these new devices is the MDR-Z1R headphones, the NW-WM1Z and NW-WM1A Walkman devices, and the TA-ZH1ES headphones amp. All four devices are stylish, especially the NW-WM1Z Walkman with its gold-plated copper chassis. According to Sony, that design keeps down magnetic interference and contact resistance/oxidation. … Continue reading