[. . . ] [. . . ] The IE 80 also features a unique technology that enables soundtuning of bass response. Dynamic speaker systems with powerful neodymium magnets ensure outstanding sonic accuracy and clarity Excellent attenuation of ambient noise of up to 20 dB Extremely durable housing and rugged, interchangeable cable Unique, manual frequency response tuning functionality Sleek ergonomic design of ear-canal phones 2-year warranty Technical Data EAN UPC Article no Frequency response Impedance Sound Pressure Level THD Noise attenuation Cable / Plug Delivery includes Packaging Design Dimensions product packaging (W x D x H) Weight of product incl. packaging Dimensions of inner master carton (W x D x H) Number of products per inner master carton Weight of inner master carton incl. products Languages on packaging IE 80 Version West Version East 4044155071672 4044155071665 615104218130 615104218123 504771 504770 10 ­ 20000 Hz 16 O 125 dB < 0. 1 % up to 26 dB 1. 2 m symmetrical cable, 3. 5 mm angled plug ergonomic ear-canal phones, deluxe protective case with dry salt pads, ear adaptor sets (S/M/L), pair of earhooks, sound adjustment and cleaning tools, cable clip cardcoard box with window 135 x 59 x 177 mm 425 g 327 x 246 x 200 mm 6 3094 g Version West: English, German, French, Spanish, Italian, Dutch, Portuguese Version East: English, Polish, Russian, Turkish, Chinese Traditional, Chinese simplified, Korean 542574 08/11 Printed in Germany Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co. [. . . ] [. . . ]