Description
Step up your sound with the incredible audio fidelity of the NW-A55. Hear all of your favorite music in authentic Hi-Res audio, through the S-Master HX upscaling. Keep listening for up to 45 hours on a single charge and expand your on-the-go music collection with the SD card slot.
β Sony NW-A55/B Walkman (Hi-Res 16GB MP3 Player, Grayish Black) β FAQ
β Is this product brand new?
π‘ This is a restocked and professionally renewed Sony NW-A55/B. It has been fully tested, cleaned, and confirmed to be in excellent working condition. Any cosmetic wear is minimal and does not affect performance.
β Whatβs included in the package?
π¦ Your purchase typically includes:
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Sony NW-A55/B Walkman (16GB, Grayish Black)
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USB charging/sync cable
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(Earphones and retail box may not be included unless noted)
β Whatβs special about the NW-A55?
π§ This Walkman supports Hi-Res Audio and features:
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S-Master HXβ’ digital amp for crystal-clear sound
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DSEE HXβ’ upscaling for compressed files
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LDAC + aptX HD Bluetooth for wireless Hi-Res streaming
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Touchscreen operation with premium build quality
β What formats does it support?
π΅ It supports a wide range of formats:
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MP3, WMA, FLAC, WAV, AAC
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ALAC, AIFF, DSD (2.8/5.6 MHz), and more
β Can I expand the storage?
πΎ Yes, the NW-A55 has a microSD card slot, so you can expand beyond the internal 16GB storage to hold more Hi-Res tracks.
β How do I transfer music?
π» Just connect via USB to your PC or Mac. You can drag-and-drop files or use Sony Music Center for easy file management.
β How long does the battery last?
π Battery life is impressive:
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Up to 45 hours (MP3 playback)
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Around 30+ hours with Hi-Res FLAC files
β Does it work with wireless headphones?
β Yes, the NW-A55 supports:
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Bluetooth 4.2
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LDAC, aptX HD, and standard SBC codecs
You can pair it with your favorite Bluetooth audio gear.
β Why buy a restocked NW-A55?
π Buying restocked helps:
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Cut down on electronic waste
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Save money in the current economic climate
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Support sustainability
Each unit is thoroughly tested, cleaned, and covered by our optional protection plan for peace of mind.
| Feature / Model | Sony NW-A45 | Sony NW-A55/B (This Product) | Sony NWZ-A17 | Sony NWZ-E394 |
|---|---|---|---|---|
| Storage | 16GB (Expandable) | 16GB (Expandable) | 64GB (Expandable) | 8GB (Fixed) |
| Hi-Res Audio | β | β (S-Master HXβ’) | β | β |
| Bluetooth | β LDAC / aptX HD | β LDAC / aptX HD | β | β |
| Touchscreen | β 3.1β LCD | β 3.1β LCD | β | β |
| Battery Life | ~45 hrs MP3 / 30 hrs FLAC | ~45 hrs MP3 / 30 hrs FLAC | ~50 hrs MP3 | ~35 hrs MP3 |
| MicroSD Slot | β | β (up to 2TB) | β | β |
| Best For | Hi-Res on a budget | Wireless Hi-Res + UI | Big storage, wired | Basic MP3 use |




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