Sony MDRZX110 Stereo Headphones - Assorted ColorsThe dynamic neodymium controllers provide a precise precise sound with 30mm dynamic neodymium diaphragm units, the headphones offer a rhythmic response even with the most demanding tracks. Combined with a high sensitivity diaphragm, you will be able to convert the audio headphones without the need for an amp and still enjoy clear and precise sound across the spectrum. Rotating folding design makes the trip easy to take these headphones anywhere you