Getting Started
Specifications
Supported file format
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Music
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Audio Formats (Codec)
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MP3
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Media File format: MP3 (MPEG-1 Layer3) file format
File extension: .mp3
Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR))
Sampling frequency (*1): 32, 44.1, 48 kHz
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WMA
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Media File format: ASF file format
File extension: .wma
Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency (*1): 44.1 kHz
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Linear PCM
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Media File format: Wave-Riff file format
File extension: .wav
Bit rate: 1,411 kbps
Sampling frequency (*1): 44.1 kHz
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Video
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Video Formats (Codec)
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Frame rate: Max. 30 fps
Resolution: Max. QQVGA (128 × 160)
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Windows Media Video 9 (*2)
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Media File format: ASF file format
File extension: .wmv
Profile: Main Profile, Simple Profile
Bit rate: Max. 768 kbps
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Audio Formats (Codec)
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WMA
(for Windows Media Video 9)
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Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency (*1): 44.1 kHz
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File size
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Max. 2 GB
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The number of files
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Max. 1,000
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Photo (*3)
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Photo Format (Codec)
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JPEG
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Media File format: Compatible with Exif 2.21 file format
File extension: .jpg
Profile: Baseline Profile
Number of pixels: Max. 2,048 × 2,048 pixels (4,194,304 pixels)
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The number of files
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Max. 8,000
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(*1) Sampling frequency may not correspond to all encoders.
(*2) Some WMV files can be played back only by transferring using Windows Media Player 11.
(*3) Some photo files cannot be played back, depending on their file formats.
Maximum recordable number of songs and time (Approx.)
The approximate times are based on the case in which you transfer or record only 4 minute songs (not including videos and photos) in the MP3 format. Other playable audio file format song numbers and times may differ from MP3 format.
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NWZ-E373
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NWZ-E374
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NWZ-E375
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Bit rate
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Number
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Time
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Number
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Time
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Number
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Time
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48 kbps
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2,550
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170 hr. 00 min.
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5,150
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343 hr. 20 min.
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10,000
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666 hr. 40 min.
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64 kbps
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1,950
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130 hr. 00 min.
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3,950
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263 hr. 20 min.
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8,000
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533 hr. 20 min.
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128 kbps
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950
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63 hr. 20 min.
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1,950
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130 hr. 00 min.
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4,000
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266 hr. 40 min.
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256 kbps
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450
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30 hr. 00 min.
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950
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63 hr. 20 min.
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2,000
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133 hr. 20 min.
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320 kbps
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350
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23 hr. 20 min.
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750
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50 hr. 00 min.
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1,600
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106 hr. 40 min.
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Maximum recordable time of videos (Approx.)
The approximate recordable times are estimated in the case where only videos are transferred. The time may differ, depending on the conditions under which your Walkman is used.
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NWZ-E373
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NWZ-E374
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NWZ-E375
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Bit rate
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Time
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Time
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Time
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Video Format: 384 kbps
Audio Format: 128 kbps
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14 hr. 20 min.
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29 hr. 20 min.
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60 hr. 20 min.
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Video Format: 768 kbps
Audio Format: 128 kbps
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8 hr. 20 min.
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17 hr. 00 min.
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34 hr. 20 min.
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Maximum recordable number of photos that can be transferred (Approx.)
Max. 8,000
Recordable number of photos may be less depending on file sizes.
Maximum recordable number of playlists
Maximum transferrable number of playlists: 8,192
Maximum containable number of songs in each playlist: 999
Capacity (User available capacity) (*1)
NWZ-E373: 4 GB (Approx. 3.50 GB = 3,758,096,384 bytes)
NWZ-E374: 8 GB (Approx. 7.10 GB = 7,623,566,950 bytes)
NWZ-E375: 16 GB (Approx. 14.40 GB = 15,461,882,266 bytes)
(*1) Available storage capacity of your Walkman may vary.
A portion of the memory is used for data management functions.
Output (headphones)
Frequency response
20 to 20,000 Hz (when playing data file, single signal measurement)
FM radio
FM Frequency range
87.5 to 108.0 MHz
The frequency is changed by 0.1 MHz.
IF (FM)
Not applicable
Antenna
Headphone cord antenna
Interface
Headphone: Stereo mini-jack
USB I/F: mini-B
Hi-Speed USB (USB 2.0 compliant)
Operating temperature
5 °C to 35 °C (41 ºF to 95 ºF)
Power source
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Built-in rechargeable lithium-ion battery
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USB power (from a computer via a USB connector of your Walkman)
Charging time
USB-based charging
Approx. 2 hours (full charge), Approx. 45 minutes (approx. 80 %)
Battery life (continuous playback)
Actual battery life may vary depending on settings. The estimated battery usage hours shown below are based on typical usage conditions with “Basic setting of battery life measurement” as shown in the table below.
Note
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Even if your Walkman is turned off for an extended period, a small amount of battery power is still consumed.
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Battery life may vary depending on volume setting, conditions of use, and ambient temperature.
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Music
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Playback at MP3 128 kbps
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Approx. 30 hours
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Video
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Playback at WMV9 384 kbps
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Approx. 4 hours
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FM radio
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Receiving FM broadcasting
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Approx. 13 hours
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Your Walkman settings which affect battery life
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Setting
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Basic setting of battery life measurement (Default setting)
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[Common Settings]
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[Brightness] (*1) [Details]
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[3]
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[Type] of [Screensaver] (*2) [Details]
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[Blank]
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[Music Settings]
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[Equalizer] (*3) [Details]
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[None]
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[Clear Stereo] (*3) [Details]
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[Off]
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[Dynamic Normalizer] (*3) [Details]
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[Off]
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(*1) The [5] setting shortens the battery life for continuous video playback by about 30% compared with the [3] setting.
(*2) When [Type] of [Screensaver] is set to [Clock], battery life may shorten by about 20%.
(*3) Setting [Equalizer] to [Custom 1], [Clear Stereo] to [On] and [Dynamic Normalizer] to [On] shortens the battery life for continuous music playback by about 50% compared with setting them to [None] or [Off].
Display
1.77-inch (4.5 cm), TFT color display with white LED-backlight, QQVGA (128 × 160 pixels), 65,536 colors
Dimensions (w/h/d, projecting parts not included)
43.4 × 87.7 × 9.9 mm (1 3/4 × 3 1/2 × 13/32 inches)
Dimensions (w/h/d)
43.4 × 87.7 × 9.9 mm (1 3/4 × 3 1/2 × 13/32 inches)
Mass
Approx. 52 g (1.9 oz)
Design and specifications are subject to change without notice.
