Audiophile listening: Sony introduces Walkman® NW-ZX2 with High-Resolution Audio Superb Hi-Res sound from Walkman® with S-Master HX™ and DSEE HX™ Upgraded signal path and power supply stages with premium components LDAC for high quality wireless listening via Bluetooth® Long 60hr[1] battery life and 128GB (expandable) capacity to store your Hi-Res music collection Luxurious design with…