Filter
Top Products
38
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
Size AAA (LR03) 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 (2
1
/
4
× 1
1
/
2
×
19
/
32
inches)
(w/h/d, projecting parts not included)
Mass
Approx. 40 g (2 oz) (battery not included)
Supplied accessories
Headphones (1)
Dedicated USB cable (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.
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
ATRAC3plus*
1 hr. 00 min. (256 kbps)
4 hr. 10 min. (64 kbps)
5 hr. 50 min. (48 kbps)
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*
2 hr. 00 min. (256 kbps)
8 hr. 30 min. (64 kbps)
11 hr. 40 min. (48 kbps)
ATRAC3*
4 hr. 10 min. (132 kbps)
5 hr. 10 min. (105 kbps)
8 hr. 20 min. (66 kbps)
NW-E73
Specifications
Maximum recording time (Approx.)
NW-E53
MP3
2 hr. 00 min. (256 kbps)
4 hr. 00 min. (128 kbps)
* The values for ATRAC3, ATRAC3plus apply if
the MP3 File Manager software has been erased
from the built-in flash memory.