" http://www.amazon.ca/gp/product/B000Y0IPF8?tag=httptorontost-20<br />Open-back high-end headphone with true sound definition and powerful bass response<br />High-efficiency transducers and strong neodymium magnets deliver crisp audio performance<br />5 Hz to 35 kHz frequency response<br />Computer-calculated 90-degree swiveling ear cups with padded ear pads<br />Folds up for easy storage and transport <br />Beyerdynamic DT 860 Premium Headphones"