SpecificationsMaximum recording time (Approx.)
Signal-to-noise ratio (S/N)

80 dB or more (excluding ATRAC3 66 kbps)

Dynamic range

85 dB or more (excluding ATRAC3 66 kbps)

NW-S21

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)

ATRAC3plus*

1 hr. 00 min. (256 kbps)

4 hr. 10 min. (64 kbps)

5 hr. 50 min. (48 kbps)

Operating temperature

5˚C to 35˚C (67˚F to 95˚F)

Power source

Size AAA (LR03) alkaline battery

Battery life (continuous playback)
NW-S23

ATRAC3*

4 hr. 10 min. (132 kbps)

5 hr. 10 min. (105 kbps)

8 hr. 20 min. (66 kbps)

MP3

2 hr. 00 min. (256 kbps)

4 hr. 00 min. (128 kbps)

ATRAC3plus*

2 hr. 00 min. (256 kbps)

8 hr. 30 min. (64 kbps)

11 hr. 40 min. (48 kbps)

ATRAC3 format: Approximately 70 hours (Playback at 105 kbps)

ATRAC3plus format: Approximately 60 hours (Playback at 48 kbps)

MP3 format: Approximately 50 hours (Playback at 128 kbps)

Dimension

78.548.2 20 mm (3 1/8 1 15/16 13/16 inches) (w/h/d, projecting parts not included)

Mass

Information Other

*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

Frequency response

20 to 20,000 Hz (single signal measurement)

Output

Headphone: Stereo mini-jack

Approx. 40 g (2 oz) (battery not included)

Supplied accessories

Headphones (1) Dedicated USB cable (1) Arm band (1)

CD-ROM for the SonicStage software (1) Operating Instructions (1)

SonicStage Operating Instructions (1) CD-ROM for the Operating Instructions and SonicStage Operating Instructions (1) (European model only)

Pour les utilisateurs en France

En cas de remplacement des écouteurs, référez-vous au modèle d’écouteurs adaptés à votre appareil et indiqué ci-dessous. MDR-J011LP

Design and specifications are subject to change without notice.

US and foreign patents licensed from Dolby

Laboratories.41