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body { font-family: Verdana Geneva sans-serif; font-size:11px } td { font-family: Verdana Geneva sans-serif; font-size:11px } Sony MDR-Z7 High-Resolution Audio Headphones Sonys flagship headphones reproduce subtle high frequency sounds up to 100kHz - a first for headphone technology. With 70mm HD drivers featuring Liquid Crystal Polymer diaphragms and a full metal design you get the clarity you need to enjoy High-Resolution Audio - for music that takes you closer to a live performance. Absolute Sound Purity Discover true sound with all the emotion and energy of the original recording. A huge 70mm HD driver powers through your music keeping every note precise even at higher volume levels. Take your digital music collection to another level with High-Resolution Audio. By converting analogue music to digital at a higher rate than CD (24-bit/192kHz rather than 16-bit/44.1kHz) High-Resolution Audio allows you to get closer to the original studio recording and enjoy your music just as the artist intended. With the Sony MDR-Z7 High-Resolution Audio Headphones you can really benefit from the greater level of detail. Authentic Sound with Aluminium-coated LCP The mighty 70mm HD driver units power through your music keeping every note precise no matter how high you turn up the volume. Because of their massive size these drivers create a plane wave effect in the earcups that prevents reflection delays and minimises sound loss. So you can hear all the emotion and energy of the original recording with punchy bass and crystal clear high notes. Combining a Liquid Crystal Polymer diaphragm with aluminium coating gives a more precise sound across the entire frequency range than a conventional LCP driver. Smaller 40mm drivers emit sound as spherical waves which can lead to reflection delays within the earcups. The much larger 70mm driver creates a flatter plane wave effect that prevents reflection delays ...