The Final Audio Design PIANOVIII archived to produce space expression which bring atmosphere of live hall and a sense of reality of concert hall which is difficult to be produced by conventional earphones. The Final Audio Design PIANOVIII housing is brass which is used for music instrument body and creates cheery vitality sound. To obtain high-quality sound reproduction even after eliminating silicon ear pieces, used a large aperture 16mm diameter driver unit in-house. The diaphragm surface of this unit is three times the size of that of regular 8mm diameter earphones. Brass is a material that is comparatively easy to process and is used for many musical instruments. With PIANOVIII, deliver a fast approach through the rigidity and weight of brass. This product vividly reproduces music with a bright, bold sound. The housing, with its beautiful, spaceship-like silhouette, combines inner airflow with fit. The protrusion in the center fits into the ear well, and a stable fit is achieved. A special super fine manganese metal powder is used for the damping of the chromium copper housing; damping is achieved without the use of soft materials. The inside of the housing is coated in natural resin. Damping the sound without adding dullness to it brings out the harmonious nature of the chromium copper housing. Specifications: 16mm diameter dynamic, Sensitivity: 108dB, Impedance: 16 Ohms, Housing: Brass, Driver: Cord length: 1.4m. Accessories: Brass carry case.