FIIO FT13 BlackNatural Headphones (FIO-FT13-B, FIO-FT13-N) [Ships from an Authorized Japanese Retailer, Serial Number Included] Closed-Back Dynamic

Made with North American purpleheart wood, a rare natural wood that suppresses resonance. Highly efficient W-shaped wool-composite birch nanofiber diaphragm. Large 60mm dynamic driver. Furukawa Electric's single crystal copper + silver-plated oxygen-free copper composite cable delivers truly superior sound quality with its high conductivity and high-frequency transmission capabilities. Low impedance/high sensitivity design makes it easy to play with smartphones and PCs. Reduces ambient noise by 26dB. Closed-back design for immersive music. Compatible with balanced connections. Four types of interchangeable plugs included as standard. High-resolution audio that proves superior sound. Large Japanese-made CCAW voice coil improves mid-range energy density and transient characteristics. U-shaped damping tube structure prevents resonance and delivers excellent bass. Parallel ear canal design reduces standing waves for clear sound.