SpecificationsMaximum recording time (Approx.)
Frequency response

20 to 20,000 Hz (single signal measurement)

Output

Headphone: Stereo mini-jack

NW-E50

ATRAC3*

2 hr. 00 min. (132 kbps)

2 hr. 30 min. (105 kbps)

4 hr. 10 min. (66 kbps)

MP3

1 hr. 00 min. (256 kbps)

2 hr. 00 min. (128 kbps)

NW-E70

ATRAC3*

4 hr. 10 min. (132 kbps)

5 hr. 20 min. (105 kbps)

8 hr. 30 min. (66 kbps)

MP3

2 hr. 00 min. (256 kbps)

4 hr. 00 min. (128 kbps)

NW-E90

ATRAC3*

8 hr. 20 min. (132 kbps)

10 hr. 30 min. (105 kbps)

16 hr. 50 min. (66 kbps)

MP3

4 hr. 00 min. (256 kbps)

8 hr. 00 min. (128 kbps)

ATRAC3plus*

1 hr. 00 min. (256 kbps)

4 hr. 20 min. (64 kbps)

5 hr. 50 min. (48 kbps)

ATRAC3plus*

2 hr. 00 min. (256 kbps)

8 hr. 40 min. (64 kbps)

11 hr. 40 min. (48 kbps)

ATRAC3plus*

4 hr. 00 min. (256 kbps)

17 hr. 10 min. (64 kbps)

23 hr. 20 min. (48 kbps)

Signal-to-noise ratio (S/N)

80 dB or more (excluding ATRAC3 66 kbps)

Dynamic range

85 dB or more (excluding ATRAC3 66 kbps)

Operating temperature

5˚C to 35˚C (67˚F to 95˚F)

Power source

LR03 (Size AAA) alkaline battery

Battery life (continuous playback)

ATRAC3 format: Approximately 70 hours

ATRAC3plus format: Approximately 60 hours

MP3 format: Approximately 50 hours

Dimension

56 ⋅ 37.3 ⋅ 15 mm

(w/h/d, projecting parts not included)

Mass

Approx. 40 g (battery not included)

Supplied accessories

Headphones (1)

Dedicated USB cable (1)

Carrying pouch (1)

Neck strap (1)

*The values for ATRAC3, ATRAC3plus apply if the MP3 file manager software has been erased from the built-in flash memory.

Sampling frequency

ATRAC3, ATRAC3plus, MP3: 44.1 kHz

Audio compression technology

Adaptive Transform Acoustic Coding3 (ATRAC3) Adaptive Transform Acoustic Coding3plus (ATRAC3plus)

MPEG1 Audio Layer-3 (MP3): 8 to 320 kbps, variable bit rate-compliant

Earbuds (Size S, L) (NW-E70/E90) (1)

Extension headphone cord (1)

CD-ROM (1)

Operating Instructions (1)

SonicStage operating instructions (1)

Design and specifications are subject to change without notice.US and foreign patents licensed from Dolby Laboratories.

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