FIIO FD11 Earphones High Performance Dynamic Driver IEMs Earbuds with Deep Bass 0.78mm Detachable Cable 3.5mm Plug in Ear Headphones for Musician Singer Music (Silver)

"Double acoustic back chambers" for improving mids&lows control; Sound signature: the FD11, which has deep lows, smooth mids and treble, would be a nice choice for vocal-heavy, folk music lovers. It has a mild V-shaped sound with bass boost; The FD11 has adopted carbon-based dynamic drivers, which have the characteristics of higher hardness, light weight and lower distortion. Response speed has been improved by the "double-magnet" design (coil inner magnet + outer magnet) and stronger magnets also make it easier to drive; Liquid metal die-cast housing, which effectively inhibits resonance to enhance clean sound. The extended acoustic-damping-flute design improves the bass extension. Mirror-finished surface, tempered-glass faceplates and 0.78mm connectors.