Sony is going to release its new DR-NC300D noise-cancelling in-ear earphones in Japan. The earphones comes with a in-line controller for selecting noise-cancelling options, General mode, Airplane mode and and Train mode.
Sony MDR-NC300D has 16mm drivers and offers 6-24,000Hz frequncy range, 16ohm impedance. The earphones need an AA battery to run. It will be released on 21 June for 30,975 Yen.
Along with the MDR-NC300D, Sony introduces also the MDR-NC600D headphones and the MDR-NC33 earphones. The former is an over-head headphones that does 99% noise canceling and the latter is in-ear that reduce noise by 90%.