Sony MDR-1RBT
| General Data | Driver unit Diaphragm Magnet Full Type Frequency Sensitivity Usage time Impedance Cord type Closed type Plug Weight Color | 40mm(HD driver unit), dome type Liquid Crystal Polymer Film Diaphragm Neodymium 4-80,000Hz PCOCC Yes 297 grams Black, gray, green |
| Features | Created with leading music industry figures Improved HD driver unit and vent design 40mm Liquid Crystal Polymer Film diaphragm Pressure-relieving cushions tailored to fit the ears Smartphone-compatible with built-in mic |