Behold Final Audio Design's latest high-end earphones: the Piano Forte X-VII Series. Each of the four models that comprise the series features a large neodymium magnet driver, nestled inside a rigid metal housing made of alloy powder and natural resin, designed to minimize bad vibrations. The driver is a hefty 16 mm in diameter, and boasts roughly three times the surface area of your garden variety earphones, resulting in enhanced low frequency soundscapes. Final Audio Design also added a proprietary pressure ring to each model's diaphragm (to ward off sound artifacts), as well as special pressure vents (to optimize air pressure around the diaphragm). Int