The Final Audio Design FI-BA-SST25 Headphone is realizing a soft high region sound quality where the beauty of the lingering shines as it is with delicacy. Final Audio Design FI-BA-SST25 is a unique technology to optimize the flow of air inside the cabinet while being balanced armature type, realizing a three-dimensional space expression with depth that has been regarded as difficult to reproduce in the balanced armature type. A BAM vent has been established on the back of the housing to allow for both the control of airflow and to prevent sound leakage. Soft silicon has been employed for the section that comes into contact with the user's ear, making for a comfortable fit and a high level of sound insulation. Specifications: Housing: Machined stainless steel, Driver: Balanced armature, Cable: Silver-coated OFC cable (2.5mm, 4-pole), Sensitivity: 112dB, Impedance: 16 Ohms, Cord length: 1.2m. Accessories: Leather carry case, Silicon ear piece (E type 5 sizes, C type 3 sizes).