Итак, некоторая информация по плеерам (их таки два):
Mass (Walkman) 455g(16.1oz) 267g(9.5oz)
capacity 256GB 128GB
DSD "Media File format: DSF, DSDIFF
File extension: .dsf, .dff
Bit depth : 1 bit
Sampling frequency : 2.8224 MHz, 5.6448, 11.2896 MHz"
DSD 11.2896MHz/1bit Approx. 11 hours
New JEITA standard Φ4.4mm Stereo balanced headphone jack