NW-ZX100

The NW-ZX100 is a premium ZX Series Walkman that took the line in a more focused direction after the earlier Android-based models. It kept 128 GB of internal storage, high-resolution audio support, microSD expansion, Bluetooth, NFC, direct USB, WM-PORT, and Sony's advanced audio processing features, but abandoned Android in favor of a proprietary music-focused system centered on long battery life and simpler operation.

The ZX100 is where Sony pulled the ZX line back toward dedicated playback and away from the compact-Android-device logic of the ZX1 and ZX2. That shift matters more than any single spec because it clarified something Sony itself had been wobbling on: a premium Walkman did not need to imitate a smartphone to justify its existence. The ZX100 feels cleaner in purpose. Better endurance, physical controls, and a more traditional listening-first shape made it much easier to understand what the ZX line was actually for.