The Sony XBA-2 Balanced Armature Headphones feature Sony's dual Armature drivers with a dedicated miniature full range driver and woofer installed into each earbud. This Japanese manufactured driver technology delivers outstanding audio clarity, rich bass and profound vocals. The headphone's enclosure features a double-layered housing resulting in impressive noise isolation. The 3.93' (1.2m) cable features a gold-plated L-shaped 1/8" (3.5mm) mini connector for use with portable player devices.