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Digital Noise Canceling function
Environment setting: Bus/Train / Airplane / Office
Noise Canceling Modes: Normal Mode / Quiet Mode
Total Noise Suppression Ratio (*1) (NWZ-E573/E574/E575 only)
Approx. 17 dB (*2)
(*1) Under Sony measurement standard.
(*2) Equivalent to approx. 98.0% reduction of energy of sound compared with not wearing headphones. ([Select NC Environment]: [Airplane])
FM radio
FM Frequency range: 87.5 MHz to 108.0 MHz
IF (FM)
128 kHz
Antenna
Headphone cord antenna
Interface
Headphone: Stereo
Operating temperature
5 °C to 35 °C (41 ºF to 95 ºF)
Power source
USB power (from a computer via a USB connector of your Walkman)
Charging time
Approx. 3 hours (full charge), Approx. 1.5 hours (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
Even if your Walkman is turned off for an extended period, a small amount of battery power is still consumed.
Battery life may vary depending on volume setting, conditions of use, and ambient temperature.
| NWZ- | |||
Music | E473/E474/E475/ | Noise Canceling | Noise Canceling | |
| E473K/E474K | function is off | function is on | |
Playback at MP3 128 | Approx. 36 hours | Approx. 36 hours | Approx. 30 hours | |
kbps | ||||
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Playback at Linear | Approx. 36 hours | Approx. 36 hours | Approx. 30 hours | |
PCM 1,411 kbps | ||||
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Video |
| Noise Canceling | Noise Canceling | |
| function is off | function is on | ||
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Playback at |
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| 227 |
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