Sony XBA-4SL Balanced Armature Headphones

Sony XBA-4SL Quad Balanced Armature Headphones - Inner Ear Earbuds 

• Quad Balanced Armature Driver Development offering full range woofer and tweeter
• Newly developed double layered magnesium alloy housing supresses unwanted vibration
• Newly developed Hybrid silicon earbud design improves comfort and sound insulation
• Includes leather carrying case and replacement earbuds (S,M,L)
• Rated as VGP Product of 2012 by Japan Stereo Magazine
• Japanese Import