Home Theater Systems Buying Guide
Product Information
Specifications
Specifications
Ambient Sound Mode
- Ambient Sound Mode: Supported
Battery Life
- MP3 (128kbps) / Ambient Sound Mode ON : Approx. 30 hours
- MP3 (128kbps) / Ambient Sound Mode OFF : Approx. 45 hours
- AAC (256kbps) / Ambient Sound Mode ON : Approx. 27 hours
- AAC (256kbps) / Ambient Sound Mode OFF : Approx. 39 hours
- FLAC (96kHz/24bit) / Ambient Sound Mode ON : Approx. 27 hours
- FLAC (96kHz/24bit) / Ambient Sound Mode OFF : Approx. 39 hours
- FLAC (192kHz/24bit) / Ambient Sound Mode ON : Approx. 23 hours
- FLAC (192kHz/24bit) / Ambient Sound Mode OFF : Approx. 30 hours
- DSD (2.8224MHz/1bit) / Ambient Sound Mode ON : Approx. 20 hours
- DSD (2.8224MHz/1bit) / Ambient Sound Mode OFF : Approx. 25 hours
- MP3 (128kbps) / Noise Cancel ON : Approx. 37 hours
- MP3 (128kbps) / Noise Cancel OFF : Approx. 45 hours
- AAC (256kbps) / Noise Cancel ON : Approx. 33 hours
- AAC (256kbps) / Noise Cancel OFF : Approx. 39 hours
- FLAC (96kHz/24bit) / Noise Cancel ON : Approx. 32 hours
- FLAC (96kHz/24bit) / Noise Cancel OFF : Approx. 39 hours
- FLAC (192kHz/24bit) / Noise Cancel ON : Approx. 27 hours
- FLAC (192kHz/24bit) / Noise Cancel OFF : Approx. 30 hours
- DSD (2.8224MHz/1bit) / Noise Cancel ON : Approx. 22 hours
- DSD (2.8224MHz/1bit) / Noise Cancel OFF : Approx. 25 hours
Bluetooth
- Supported Codecs (Reception) : SBC, LDAC, AAC
- Version : Communication system: Bluetooth Specification Version 4.2
- Frequency band: 2.4 GHz band (2.4000 GHz - 2.4835 GHz)
- Modulation method: FHSS
- Supported Bluetooth profiles: A2DP, AVRCP
- Supported Codecs (Transmission) : SBC, LDAC, aptX, aptX HD
Bluetooth operation (Transmitter mode) battery life
- MP3 (128kbps) / SBC (Connection): Approx. 20 hours
- FLAC (96kHz/24bit) / LDAC Connection Preferred(Auto) : Approx. 13 hours
Capacity
- Capacity: 16GB
- Actual available memory for other contents: Approx. 12.26GB
Charging Time
- USB charging: Approx. 4 hours
DPC (Speed Control): Supported (only for Language)
Digital AMP
- Digital AMP: S-master HX
Dimensions (W x H x D): 2.16 x 3.84 x 0.43 inches
Display
- Resolution: WVGA(800 x 480 Pixels)
- Panel type: TFT color display with white LED-backlight
- Touch panel: Supported
Display Size: 3.1-inch (7.8 cm)
Display Lyrics: Y
FM radio
- FM Frequency range: 87.5 to 108.0 MHz
Headphone Out (Stereo mini-jack)
- Frequency response: 20-40,000 Hz
- Maximum Power Output (JEITA 16Ω/mW): 1.6-4.2mW
Interface
- USB: Hi-Speed USB (USB 2.0 compliant)
- Headphone: Stereo mini-jack
- External memory: microSD, microSDHC, microSDXC
Language
- Language: German English Spanish French Italian Polish Portuguese Russian Turkish Japanese Korean Simplified Chinese Traditional Chinese
Weight: 3.50 Oz
Maximum recordable number of songs
- MP3 (128kbps): 3,300
- AAC (256kbps): 1,600
- FLAC (44.1kHz/16bit): 300
- FLAC (96kHz/24bit): 90
- FLAC (192kHz/24bit): 40
- DSD (2.8224MHz/1bit): 70
The approximate numbers are based on 4 minutes a song.
Music
- MP3 ( .mp3) : 32 - 320kbps (Supports variable bit rate (VBR)) / 32, 44.1, 48kHz
- WMA ( .wma) : 32 - 192kbps (Supports variable bit rate (VBR)) / 44.1kHz
- FLAC ( .flac) : 16, 24bit / 8-384kHz
- WAV ( .wav) : 16, 24, 32bit (Float/Integer) / 8-384kHz
- AAC ( .mp4, .m4a, .3gp) : 16-320kbps / 8-48kHz
- HE-AAC ( .mp4, .m4a, .3gp) : 32-144kbps / 8-48kHz
- Apple Lossless ( .mp4, .m4a) : 16, 24bit / 8-384kHz
- AIFF ( .aif, .aiff, .afc, .aifc) : 16, 24, 32bit / 8-384kHz
- DSD ( .dsf, .dff) : 1bit / 2.8224, 5.6448, 11.2896 MHz *Audio that is converted to Linear PCM is output.
- APE ( .ape) : 8, 16, 24bit / 8-192kHz (Fast, Normal, High)
- MQA ( .mqa.flac) : Supported
Music Play Mode
- Shuffle Playback: Y
- Repeat Off: Y
- Repeat 1 Song: Y
- Repeat All: Y
- All Range: Y
- Selected Range: Y
Music Searching Methods
- Composer: Y
- Hi-Res: Y
- Recent Transfers: Y
- SensMe Channels: Y
- Folder: Y
Music Searching Methods
- All Songs: Y
- Artist: Y
- Release Year: Y
- Playlists: Y
- Album: Y
- Genre: Y
NFC: Active type (for reader and writer), Tag Type
Noise canceling system: Digital Noise Canceling Select NC
Environment : Full-auto AINC, Bus/Train, Airplane, Office
Operating temperature
- Operating temperature: 5 'C to 35 'C (41 'F to 95 'F)
Power Source
- Built-in battery: Built-in Rechargeable lithium-ion Battery
- Charging and Power supply: USB power (from a computer via a USB)
SensMeTM Channels
- SensMeTM Channels: Supported
Sound Settings
- Clear Phase: Y
- Vinyl Processor: Y
Sound Settings
- 6 Band equalizer: Y
- DSEE HX: Y
- DC Phase Linearizer: Y
- Dynamic Normalizer: Y
- VPT: Y
- ClearAudio+: Y
Specifications(the unit)
- Operating System: Sony original OS
Supported OS
- Windows: Windows 10 Windows 8.1 Windows 7
- macOS: v10.10-10.13
USB DAC Mode
- USB DAC Mode: Supported
What's in the Box
What's in the Box
- Walkman (1)
- USB cable (1)
- Startup Guide
- Instruction Manual
- NW-A55
A microSD card is not supplied with the Walkman.
Reviews
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Q&A
Customer Q & A
Have a functionality, compatibility, or otherwise product-specific question about this product? Ask it here! If you have a customer service or shipping question, please direct it to our customer service department
what do i need to stream music services on line (amazon) ?
looking for DMP that can stream amazon music service
- Reply
- Inaccurate
- Mike K Staff on Feb 16, 2021
- Reply
- Inaccurate
- Mike K Staff on Feb 26, 2020