Subsequent models reinforced the focus on superior DACs, balanced outputs, and refined ergonomics. The range distanced itself even more deliberately from mainstream digital players, emphasizing listening quality over convenience alone.
NW-WS615
The NW-WS615 is a W Series Network Walkman offering 16 GB storage for MP3, AAC, and WMA playback. A lithium-ion battery supplied up to 8 hours of use with Bluetooth, NFC, and SongPal support. This player is part of the point when Sony's wearable sport Walkman line had fully matured into something much more serious than a quirky side branch. Earlier W and WS models had already experimented with integrating the player into the act of wearing, running, and training, but by then the line feels much more fully developed as a branch with its own rules and its own audience. The device becomes less of a carries object and more of a piece of activity hardware.
NW-A16
The NW-A16 is an A Series Network Walkman with 32 GB storage supporting MP3, WMA, AAC, FLAC, ALAC, AIFF, and Linear PCM playback. A lithium-ion battery delivers up to 50 hours of use with digital noise cancellation and WM-PORT connectivity. This 8th-generation A Series model emphasized high-resolution audio in a compact form. This is where Sony's compact Hi-Res A line really begins to feel like a modern long-term strategy instead of just a nice product. Earlier A models had already become elegant and mature, but this generation introduces a different kind of confidence. The player is not trying to be a mini media gadget or a smartphone-adjacent object. It is trying to be a compact, serious, high-quality dedicated player.
NW-A17
The NW-A17 is an A Series Network Walkman offering 64 GB storage for MP3, WMA, AAC, FLAC, ALAC, AIFF, and Linear PCM files. It uses a lithium-ion battery rated for 50 hours with digital noise cancellation and WM-PORT. Earphones and an oval attachment were bundled with some units. The A17 gives that same compact Hi-Res A platform more room and probably represents the strongest expression of Sony's first really coherent modern A-series identity. It still carries the same smaller, more serious, more listening-first philosophy as the A16, but here the concept feels fully expanded and much easier to read as a durable product direction instead of a one-off good idea. Sony was no longer trying to decide what the premium Walkman should be. It had already started answering that question.
NWZ-A15
The NWZ-A15 is an A Series Network Walkman with 16 GB storage supporting MP3, WMA, AAC, FLAC, ALAC, AIFF, and Linear PCM playback. A lithium-ion battery provides up to 50 hours of use with digital noise cancellation and WM-PORT. It served as the entry-capacity model in the 2014 A Series range. The globally branded A15 carries the same broader significance as the domestic A16/A17 generation. This is the A Series after Sony had stripped away a lot of the old multimedia clutter and turned the line into something much more focused, much more audio-first, and much more self-assured. The A15 is not trying to feel flashy. It is trying to feel correct.
NWZ-A17
The NWZ-A17 is an A Series Network Walkman with 64 GB storage supporting MP3, WMA, AAC, FLAC, ALAC, AIFF, and Linear PCM files. A lithium-ion battery delivers up to 50 hours of use with digital noise cancellation and WM-PORT. This higher-capacity 8th-generation variant rounded out the A Series high-resolution offerings. The A17 is the fullest-capacity version of that same globally branded modern A platform and one of the clearest examples of Sony's new compact Hi-Res Walkman identity settling into place. The player feels slim, disciplined, and much more deliberate than many of the older A-series generations that were still trying to be broader lifestyle gadgets. The A line had finally become narrower in purpose and better because of it.
NW-S14
The NW-S14 is a twelfth-generation S Series Network Walkman with 8 GB storage supporting MP3, WMA, AAC, and WAV playback. A lithium-ion battery supplied up to 77 hours of use with Bluetooth, video and photo playback, and Clear Phase. AptX codec support was added to the S Series. This unit is part of the very late S phase where the line had been simplified so much that it was effectively inheriting some of the role the E Series uses to occupy. It still carries the cleaner late S DNA , compact, playback-first, personal , but by then the branch felt more modest and more everyday than the more feature-rich S generations that came before it. Sony was no longer trying to keep every old branch alive in its previous form. It was consolidating.
NW-S14K
The NW-S14K is a twelfth-generation S Series model with 8 GB storage, MP3/WMA/AAC/WAV support, 77-hour lithium-ion battery, Bluetooth, speaker output, video and photo playback, and Clear Phase. AptX was newly added to the series. The speaker K version keeps that same late simplified S platform and gives it a more casual-use presentation. The important part is still the underlying shift: this is the S Series becoming more straightforward, more modest, and more practical as Sony's portable line narrows around fewer clearer identities.
NW-S15
The NW-S15 is a twelfth-generation S Series Network Walkman offering 16 GB storage for MP3, WMA, AAC, and WAV files. A lithium-ion battery provides up to 77 hours of use with Bluetooth, video and photo playback, and Clear Phase. AptX codec support was included. The S15 is probably the most naturally balanced version of that simplified late S family. It still carries the same compact, low-friction, playback-first appeal as the surrounding models, but with enough room to make the branch feel more complete and less obviously transitional. Sony was helping simplify its Walkman hierarchy without making the products feel empty.
The year locked in the Walkman’s new role as a high-end choice. It set the tone for ongoing refinement throughout the remainder of the decade.