Features
Quad BA system
Sony's original design BA Driver Units
High-level sound isolation
Light housing
Preformed ear hanger for stable fit
Driver Unit: Quad-balanced armature
Frequency Response: 5–40,000 Hz
Cord Length: Approx. 3.94 ft, silver-coated OFC strands, ear hanger, L-shaped gold-plated stereo mini plug, Approx. 3.94 ft, silver-coated OFC strands, ear hanger, L-shaped gold-plated balanced standard plug