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Sony NWZ-B173F 4 GB MP3 Player

  • MP3 Player
  • 4 GB Memory
  • 18hrs Audio Playback
  • FM Support


1 Year
Price: Not Available

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68% positive feedback (2,353 ratings)
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Key Features of Sony NWZ-B173F 4 GB MP3 Player

  • MP3 Player
  • 4 GB Memory
  • 18 hrs Audio Playback
  • FM Support
  • Voice Recorder
  • Approx. 440 / 970 (128 kbps)
  • USB-based Charging

Sony NWZ-B173F 4 GB MP3 Player (Black) Price: Rs. 3,850

Experience great music with the Sony NWZ-B173F that offers amazing sound and boasts of interesting features that promise to change the way you listen music. Designed to cater to all your music needs, this petite device will blow your mind with what it packs inside. The elegant looking MP3 player from Sony has a built-in FM Radio that you can tune in to get the latest cricket scores or traffic updates.

You can also record your latest favorite song off the air through the FM Radio recording option available in this Sony MP3 Walkman. Bored to take down notes in a class? Fret not when you have the NWZ-B173F with you. Just turn on the voice recording feature and let the Walkman take the notes for you. The device has a maximum recording time of 64 hours and 40 minutes.


The Sony NWZ-B173F weighs just 28 g rendering the device extremely portable. With dimensions of 89.2 x 24 x 15 mm, this MP3 Walkman enables you to carry it easily and takes minimal space in your backpack. Worthy to be your accomplice in your treks or daily commutes, the device from Sony is sturdily built to last any conditions.

Sony has bestowed the NWZ-B173F Walkman with a 3-line LCD display that shows important information related to the track being played. Present next to the screen is power illuminator in a circular button that paves way for easy navigation through the device. You can open the cap of the device to unveil the built-in USB that allows easy drag and drop of your music files from your laptop or PC.

Battery and Storage

This Sony music player has an onboard memory of 4 GB where you can store a maximum of 970 songs at 128 kbps. Built into the device is a Lithium-ion rechargeable battery that lets you enjoy long hours of music. Once fully charged, the Sony NWZ-B173F serves a continuous playback time of up to 18 hours.

You can charge this Sony Walkman by connecting to a laptop or PC. The USB-based charging of the device completely charges the MP3 player in 70 minutes. This music player from Sony has the Quick Charge technology that allows you to fast charge the Walkman in 3 minutes, giving you 90 minutes worth of playback time.


The various audio formats supported by the Sony NWZ-B173F include MP3 and WMA that are common formats and so you won't require to do too much of file conversion. Connectivity options included in this MP3 Walkman are USB 2.0 and a headphone jack. For uninterrupted music sessions, plug in any generic headphones and enjoy your music.

Maximum sound power output of this Sony MP3 player is 10 mW that reproduces sound with utmost clarity. The device is endowed with 5 equalizers - Heavy, Pop, Jazz, Unique and Custom - that allow you to listen experience genre customized tunes.

The Sony NWZ-B173F has a Bass Boost function that augments the bass effect so that you can have an enhanced listening experience. With the ZAPPIN option available in this Sony MP3 Walkman, you can scan through the songs to find the exact song you're looking for. Now enjoy your music without the hassle of sifting through a long list of songs.

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Specifications of Sony NWZ-B173F 4 GB MP3 Player (Black)

Number of Songs Approx. 440 / 970 (128 kbps)
Memory Size 4 GB
Brand Sony
Type MP3 Player
Series B Series
Model ID NWZ-B173F
Color Black
FM Tuner Yes
Searching Methods All Songs / Album / Artist / Genre / Release Year / Playlists / Folder / ZAPPIN (Short / Long)
MP3 Audio Yes, 32 - 320 kbps
Play Mode Normal / Repeat All / Repeat 1 Song / Repeat Shuffle All
WMA Audio Yes, 32 - 192 kbps
Additional Features New ZAPPIN Function, Built-in USB, 18 hrs Battery Life, FM Recording Function, Colour Matching Power Illuminator
Recharge Time Approx. 70 min (Full Charge) (Quick Charge - 3 min Charge for up to 90 min Playback)
Battery Type Built-in Li-ion Rechargeable Battery
Max Power Output 5 5 mW
Recharging Method USB-based Charging
Warranty Summary 1 Year Sony India Warranty and Free Transit Insurance.
Weight 28 g
Height 24 mm
Width 89.2 mm
Depth 15 mm
Display Type 3-line LCD
IO Device Headphone, High Speed USB (2.0)
Audio Playback Time Approx. 18 hrs
Sound Settings Bass Boost / 5 Band Equalizer (Heavy / Pop / Jazz / Unique / Custom)
Audio File Format MP3, WMA
Voice Recording Yes
Max Audio Recording Time 29 hrs 20 min / 64 hrs 40 min
In the Box
Sales Package Headphones, Quick Start Guide
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Reviews of Sony NWZ-B173F 4 GB MP3 Player (Black)


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Based on 10  ratings

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Mohan Sahoo

May 4, 2014

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certified buyer

Nice product

I am really very happy about this ... its too good what i thought before buy this one... its music quality is really good. ..


Apr 16, 2014

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certified buyer

Music Machine

I bought Sennheiser HD 202 ii with this, both together creates awesome music, you can hear to every detail of music. Must buy if you are a music enthusiast.

Arnab Ghosh

Feb 22, 2012

First to review

Outstanding bass!!!!

Very good sound.... 3D surround effect... Excellent bass boost and a must have for a music lover.. Have been using this for two months.. Great value for your money... Excellent battery life!!! And very hardy... Buy this!!! you will love it..
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