Specifications

Maximum recording time (Approx.)
Sampling frequency

ATRAC3, ATRAC3plus, MP3: 44.1 kHz

Audio compression technology
NW-E503

ATRAC3

4 hr. 10 min. (132 kbps)

5 hr. 20 min. (105 kbps)

8 hr. 30 min. (66 kbps)

MP3

2 hr. 10 min. (256 kbps)

4 hr. 20 min. (128 kbps)

ATRAC3plus

2 hr. 10 min. (256 kbps)

8 hr. 40 min. (64 kbps)

11 hr. 40 min. (48 kbps)

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

MPEG1 Audio Layer-3 (MP3): 32 to 320 kbps, variable bit rate-compliant

Frequency response

20 to 20,000 Hz (single signal measurement)

FM Frequency range

Overseas model: 76.0 to 108.0 MHz

Other models: 87.5 to 108.0 MHz

NW-E505

ATRAC3

8 hr. 30 min. (132 kbps)

10 hr. 40 min. (105 kbps)

17 hr. 00 min. (66 kbps)

MP3

4 hr. 20 min. (256 kbps)

8 hr. 50 min. (128 kbps)

ATRAC3plus

4 hr. 20 min. (256 kbps)

17 hr. 30 min. (64 kbps)

23 hr. 30 min. (48 kbps)

IF (FM)

225 kHz

Antenna

Headphone cord antenna

Interface

Headphone: Stereo mini

USB

NW-E507

ATRAC3

17 hr. 00 min. (132 kbps)

21 hr. 40 min. (105 kbps)

34 hr. 10 min. (66 kbps)

MP3

8 hr. 50 min. (256 kbps)

17 hr. 40 min. (128 kbps)

ATRAC3plus

8 hr. 50 min. (256 kbps)

35 hr. 00 min. (64 kbps)

47 hr. 00 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

•Built-in rechargeable lithium-ion battery

•USB power (from a computer through supplied USB cable)

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