2004 NW-HD2
The NW-HD2 is a model part of the first generation of Network Walkmans equipped with a hard disk.
2004
NW-HD1
The NW-HD1 is the first Network Walkman to feature a built-in hard drive. It has a 20GB HDD and supports audio playback in ATRAC, ATRAC3, and ATRAC3plus formats. It features a backlit LCD display, shock resistance, and an accelerometer. This device employs a self-contained configuration using a built-in hard drive, allowing for the portability of large music libraries. It relies on music transfer via PC software and is dependent on the ATRAC format. It is positioned as a high-capacity-oriented model, distinct from flash memory models.
The NW-HD1 marked Sony's first move into the hard-drive audio category under the Walkman name, combining high-capacity storage with the design discipline seen in its earlier portables. While many HDD players relied on rounded plastic shells, the HD1 used an aluminum chassis with flat surfaces and tight assembly, giving it a compact and controlled physical presence.
The control layout followed established Sony patterns, using small, precise buttons rather than scroll wheels or touch interfaces. The exterior avoided trend-driven design, focusing instead on structural clarity and long-term usability.
Internally, the HD1 introduced a 20-gigabyte platform built around ATRAC3plus. The codec's efficiency supported strong battery life, while the digital amplifier maintained stable, controlled playback.
Drive access remained predictable, and the interface prioritized straightforward navigation over visual complexity. The software never matched the hardware.
See also NW-E95
Related Network Walkman
Network Walkman in 2004
Sony portable audio in 2004
2004 MZ-E730
The MZ-E730 was a high-end MDLP player that combined playback adjustment functions with superior sound quality.
2004 WM-EX194
The WM-EX194 is a playback-only Walkman equipped with an automatic inversion function.
2004 D-FJ401
The D-FJ401 is a portable CD player equipped with an FM/AM tuner and G-Protection.
