The world’s first headphones to use new carbon nanotubes technology, the new JVC HA-FX40 inner ear headphones feature carbon nanotubes diaphragms that deliver clean, crisp sound. Other key features include dual-layer housings for enhanced sound isolation, a rubber fitting stabilizer for a secure and comfortable fit, and a selection of earpieces to suit a wide range of ear shapes. Carbon nanotubes diaphragms represent a breakthrough in headp...