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Sony® Signature Series WM1A 128GB Walkman® MP3 Player
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 0
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 1
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 2
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 3
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 4
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 5
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 6
Sony® Signature Series WM1A 128GB Walkman® MP3 Player 7

Sony® Signature Series WM1A 128GB Walkman® MP3 Player

Model #: NWWM1A
At a Glance
Hear your favorite tracks like never before with Sony’s Hi-Res Walkman that combines leading digital amplification and sound technologies for an uncompromised listening experience. From the groundbreaking digital amplifier, to the high-quality aluminum chassis and OFC cabling, each Hi-Res Walkman component elevates the high-resolution sound experience from one you listen to, to one you can feel.
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Get to know this product.

Made for High-Resolution Audio

Enjoy the subtlest nuances of studio-quality sound in higher than CD quality with High-Resolution Audio. Passion for music unites every component from signal to speaker, so it feels like the artist is performing right in front of you. The NW-WM1A Walkman® also supports the very latest 384 kHz/32-bit rate and DSD Native Playback.

Native DSD

The NW-WM1A supports native DSD audio files, which are sourced early in the production process. This means they retain all the authentic detail of the original recording.

S-Master HX

The new S-Master™ HX digital amp technology, independently developed for Walkman®, cuts distortion and noise across a wide range of frequencies for rich, full bodied sound.


DSEE HX upscaling technology uses an algorithm to analyze your music and replace any lost information, so that the quality is almost high-resolution level. Choose from 5 modes to bring out the best in your music.

Incorporating the ø0.17" Balanced Standard Connection

Enjoy clear, precise, dynamic sound with balanced audio. With a new ø0.17" balanced standard plug, noise picked up from the wire to the amplifier is reduced. The result: superior sound, delivered with clarity.

Premium design for optimal sound quality

Built with an aluminum frame and tailored electrical components, the NW-WM1A Walkman® is designed for high quality, powerful sound.

Aluminum frame

An aluminum alloy frame provides a highly rigid case that’s resistive to electrical noise and other interference for stable, high-quality sound.

Oxygen-free copper cable

A low-resistance oxygen-free copper cable offers low distortion and superior channel separation.

MELF resistors

Reduce noise and minimize distortion in the audio signal path with MELF type resistors.

Streamlined power

The newly developed FT CAP (high polymer capacitor) works to regulate power flow, optimizing it for instant, clean power when needed.

DC Phase Linearizer

Pure sound translation. Our DC Phase Linearizer works to effectively replicate a wide variety of sonic signatures. It applies digital-signal processing to match the phase characteristics of various types of analog amplifier to deliver a purer, more analog-like sound. Choose from six phase character settings.

Preserving the feeling

Capturing every note and nuance with DSEE HX™. Take the concert feeling home and experience your music as the artist intended, in near High-Resolution Audio quality. DSEE HX™ upscaling technology uses an algorithm to analyse your music and replace any lost information, so that the quality is almost high-resolution level. Choose from 4 additional modes to the standard to bring out the best in your music.

Perfect for everyday life

The NW-WM1A is designed to fit in with your everyday lifestyle. With its compact size and lightweight build, it’s easy to grab when you’re in need of some high quality music.

An intuitive touch

The high quality 4.0” (10 cm) screen is touch-sensitive so you can access functions simply by touching the icon.

Handy buttons

The play/pause, music selection and volume buttons on the side panel are shaped and positioned for easy operation.

Play different file formats

The NW-WM1A Walkman® supports a wide range of file types.

Long battery life

Enjoy up to 30 hours of continuous High-Resolution Audio playback (FLAC 96 kHz/24 bit) and 33 hours of MP3 (128 kbps).

Built-in and expandable memory

Never run out of music with 128 GB of built-in memory, and add more with a Micro SD memory card slot.

Bluetooth streaming at its best

Enjoy high quality music streaming thanks to LDAC, our premium wireless codec. With 3x the bit rate of standard Bluetooth, you can enjoy a superior listening experience for all your music.

Discover the Signature Series

Settle for nothing less than immersive excellence with the full range of Signature Series products. Designed for ultimate sound quality, they transcend audio conventions to elevate every note.

The NW-WM1A is a premium Walkman® designed for optimal sound quality. Feel every note and nuance with High-Resolution Audio and hear the difference in your music with balanced sound, anywhere you go.

  • High-Resolution Audio compatible
  • DSEE HX upscales music to High Resolution quality
  • S-Master HX digital amplifier for pure sound quality
  • 128 GB capacity (up to 800 High Resolution Audio tracks)
  • Enjoy up to 33 hours of playtime with High-Resolution Audio files


Dimensions (W x H x D)2.87" x 4.89" x 0.78"
Weight9.42 oz
Battery Life - Continuous Playback Music33 hours (MP3 128 kbps) 26 hours (FLAC 192 kHz/24 bit) 11 hours (DSD 11.2 MHz)
Charging Time (Full Charge)7 hours
Charging Time (Quick Charge)No
Memory Size128 GB
USB ConnectionHi-Speed USB (USB 2.0 compliant)
WM-Port22 pins
Music Play ModeNormal, Repeat, Shuffle
File ManagementNo
WMA (Non-DRM)Yes
Linear PCMYes
PC External Storage DeviceYes
AVC (H.264/AVC)No
Bass BoostNo
Voice RecordingNo
FM RecordingNo
Radio TunerNo
Sound EffectsDC Phase linearizer, DSEE HX, Dynamic normalizer, Equalizer (10 band), Source Direct, Tone control
Audio PlaybackAAC (Non-DRM), AIFF, ALAC, DSD, FLAC, HE-AAC, Linear PCM, MP3, WMA (Non-DRM)
Speaker TypeNo
Clear BassNo
Clear StereoNo
Cord LengthNo
Display Resolution854 x 480 (FWVGA)
Display TypeTFT color video display
Drag and DropYes
Driver UnitNo
Dynamic NormalizerYes
FM TunerNo
Frequency ResponseNo
Headphone StyleNo
High Resolution AudioHigh Resolution Audio
Horizontal/Vertical DisplayNo
Music Searching MethodsAll songs, Album, Artist, Genre, Release year, Composer, Playlists, Hi-Res, Recent transfers, Folder, SensMe Channels
Photo PlaybackNo
Photo Play ModeNo
Screen Size (Inch)4 in (10.2 cm)
Sensitivities (DB/MW)No
Wearing StyleNo

Misc. Specs

Depth (in.)0.79
Width (in.)2.58
Height (in.)4.86
Color Finish NameBlack
WarningProposition 65 Warning for California Residents