[. . . ] [. . . ] · Dynamic drivers for stereo sound with powerful bass · Sleek, ergonomic, and stylish neckband for a secure and comfortable fit · Optimised for portable music players PX 90 The sleek PX 90 gives you strong bass while still being light enough to wear comfortably for hours on end. Its sleek steel headband is not only durable but also highly flexible, giving you an easy fit. · Dynamic drivers for stereo sound with powerful bass · Sleek steel headband for flexibility and durability · Optimised for portable music players Technical Data PMX 90 EAN UPC Article no Transducer principle Frequency response Impedance THD - Total harmonic distortion (1kHz, 100 dB SPL) Sound pressure level (SPL) Weight Cable length Connector Content of delivery 4044155045291 615104170377 502860 Dynamic, open 20Hz­20, 000Hz 32O <0. 5% 108dB(1kHz/1Vrms) 52g 1. 2msingle-sidedcable 3. 5mmangledplug PMX90headphones PX 90 4044155045307 615104170384 502861 Dynamic, open 20Hz­20, 000Hz 32O <0. 5% 108dB(1kHz/1Vrms) 68g 1. 2mdouble-sidedsymmetricalcable 3. 5mmangledplug PX90headphones, Headbandpad Packaging Packaging type Blisterbox Dimensions of product packaging 165x69x228mm 199x43x229mm (L x B x H) Dimensions of outer master carton 497x419x228mm 497x288x257mm (W x H x D) No. of products per multi-pack 6 6 Languages on packaging (version 1) English, German, French, Spanish, Italian, Dutch, Portuguese Languages on packaging (version 2) English, Russian, Polish, Turkish, Chinese(simplified), Chinese(traditional), Korean 542506 08/2010 PrintedinGermanySennheiserisaregisteredtrademarkofSennheiserelectronicGmbH&Co. KGwww. sennheiser. com AmLabor1, 30900Wedemark, Germany www. sennheiser. com SennheiserelectronicGmbH&Co. KG [. . . ] [. . . ]