Discman in 2003

The D-EJ700 is a straightforward late CD Walkman built for users who still wanted simple disc playback without moving into ATRAC or MP3 territory. It handled pressed CDs along with CD-R and CD-RW discs, included G-Protection for everyday stability, and kept the body light and uncluttered with a wired remote covering the usual basics. Not every late player needed to adapt to the file era in the same way. The D-EJ700 is part of the part of the line that stayed focused on ordinary CD listening once the format had already settled into its final practical form.

The D-EJ785 tightened the late CD Walkman formula into something a little more polished for daily use, with a slim body, a backlit remote that handled most interaction cleanly, and useful compact touches like bookmark playback and solid battery life. It is built around the assumption that the player would spend most of its time in a bag or coat pocket instead of out in the open. That kind of refinement mattered more than any single feature by then. The D-EJ785 is part of the endpoint of Sony refining the interface around what people actually touched and used once the underlying format had already matured.

The D-FJ787 is a late hybrid model that shifted the radio hardware into the remote instead of the main player body. The CD side stayed straightforward with G-Protection and standard disc playback, while the remote added AM/FM tuning, presets, and a backlit display without forcing the main unit to become bulkier or more crowded. That split gives it a cleaner feel than a lot of the earlier tuner-equipped models. The D-FJ787 is part of the point when integrated features had become subtle enough that they no longer needed to dominate the machine.

The D-NE1 is the point when Sony's compressed-audio CD Walkman idea started to feel fully serious instead of transitional. It supported ATRAC3plus, ATRAC3, and MP3 playback from CD-R and CD-RW discs, letting a single burned disc hold hundreds of tracks, while the aluminum top plate, optical output, and stronger overall finish gave it a much more deliberate presence than the simpler file-capable models. This is part of the moment where portable CD had stopped being defined by albums and started being defined by libraries. The D-NE1 is more than adding codec support. It is built around a different assumption about how people were already carrying music.

The D-NE9 made the ATRAC3plus, ATRAC3, and MP3 playback idea more accessible without stripping away the core usefulness of large file-based disc libraries. It retained G-Protection for stable playback and kept the interface recognizable for anyone already used to Sony's portable CD hardware. This is where compressed-audio-on-CD stopped feeling like a premium feature and started feeling like a practical baseline. The D-NE9 helped extend the format by making more music per disc feel ordinary instead of specialized.

The D-NE10 pushed that same file-era formula into a slimmer, more refined form while keeping support for ATRAC3plus, ATRAC3, MP3, and standard CDs. The cleaner body, backlit remote, and optical output gave it the feel of a more complete object instead of a basic utility player adapted to new formats. By this point, compressed audio on disc no longer needed to be treated as a novelty. The D-NE10 was part of the part of the line where Sony was trying to make the spinning-disc format feel modern again without pretending the category had not already changed.

The D-NE800 sat in the practical middle of the compressed-audio CD Walkman range, supporting ATRAC3plus, ATRAC3, and MP3 playback in a compact body built to be easy to carry and easy to use. It leaned away from premium materials or styling and instead focused on giving users a simple way to keep a large library on a compact number of burned discs. That practicality is what gives it its role. The D-NE800 is part of the point when file-based disc listening had become normal enough that the machine no longer needed to explain itself.

The D-NE900 is a portable CD player that supports ATRAC3plus, ATRAC3, and MP3 playback. It supports playback of compressed audio on CDs and CD-R/RWs and features enhanced display and power supply performance. Playback is within the range of a standard CD player, positioning it as a mid-to-high-end model. It is a derivative model with expanded specifications.

The D-NF400 folded broadcast functionality directly into the compressed-audio CD Walkman platform, combining ATRAC3plus, ATRAC3, MP3, and standard CD playback with AM, FM, TV, and weather-band radio. Styled under the Psyc branch, it used a more playful and colorful design language than the restrained silver and black models elsewhere in the range. Late portable audio had already become a multi-role category by then. The D-NF400 belongs to that moment where one machine is expected to cover music, radio, and general daily convenience without feeling especially strange for doing so.