Sony NWZ-ZX2 High-Resolution Walkman® with S-Master™ HX Technology. The NW-ZX2 is an exercise in quality. Enjoy High-Resolution Audio to its fullest, optimised through S-Master™ HX technology. Even compressed audio files are upscaled closer to High-Resolution Audio with DSEE HX™ for a rich studio sound. And with over 33 hours’ playback, you can keep the music coming anywhere you go. The richness and musical fidelity of High-Resolution Audio has gone mobile. Through technologies developed by Sony, you’ll hear what you’ve been missing. Music enriched - The S-Master™ HX digital amp cuts distortion and noise across a wide range of frequencies. Detail enhanced - DSEE HX™ upscales your existing music to near high-resolution sound quality. And buy this Sony NWZ-ZX2 High-Resolution Walkman® with S-Master™ HX Technology - 128GB Built-in Storage Now £949.00.