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Sony NWZ-B173F MP3 Player + MDR-XB200 Headphones - Blue-open box

NWZ-B173F 4GB Walkman MP3 Player and MDR-XB200 eXtra Bass Headphones with FM Radio Tuner

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The Sony Walkman NWZ-B173FHK 4GB MP3 Player & MDR-XB200 Headphone Combo Pack

The #1 Combo Pack Is HERE! The Sony NWZ-B173F 4 Gigabyte MP3 Player packaged together with the classic Sony MDR-XB200 Series Headphone, giving you the all time best combo! The Sony MDR-XB200 Series Headphone is one of the most notorious Sony headphones available. The "XB" Series Extra Bass or EXtreme Bass Headphones will pump out the low frequencies like you've never heard. Pack that in with pocket sized MP3 player that holds about 800 songs and your set to go. All you need to do is pick out your favorite color. Because this package is available in 4 Incredible colors!

What's In The Box?
  1. Sony Walkman NWZ-B173F 4GB Portable MP3 Player (Aqua Blue)
  2. Sony MDR-XB200 Extra Bass Headphones (Blue/Black)
  3. MP3 Player Clothing Clip
  4. Quick Start Guide
  5. Software (Pre-Installed in MP3 Player)
  6. Warranty Information

General Features:

MP3 Player Specifications:

  • Memory Capacity: 4GB
    • Store up to 970 songs
  • 3-line LCD display
  • Battery:
    • Lithium-ion rechargeable battery
    • Battery life: Up to 18 hours
    • Charge time: Approximately 1.5 hours
    • Quick Charge: 3 minute charge for 90 minutes of use
  • Charges and connects through USB cable

MDR-XB200 Headphones:

  • Premium Extra Bass Series (XB) Stereo Headphones
  • Padded On-ear design
  • Large 30mm Speaker Driver produces amazingly clear sound
  • Tangle-free cable for added convenience
  • Adjustable Headband for comfortable listening sessions
  • Designed with a snug fit for active people
  • Nickel-plated, corrosion-resistant stereo jack
  • Manufacturer Model Number: MDR-XB200 Blue
  • Manufacturer Part Number: MDR-XB200/L (MDR-XB200/LI)

Headphone Specifications:

  • Frequency Response: 5 Hz -22,000 Hz
  • Sensitivity: 100 dB
  • Nominal Impedance: 24 Ohms
  • Sensitivity: 98 dB / mW
  • Max Input Power: 1000 mW
  • Cord Length: 47 1/4" (1.2 Meters)
  • Cable Connection: Gold Plated L-Shape 3.5mm
  • Product Weight: 4.23 Ounces (120 Grams)
Also found as: nwz b173fhk blu, nwzb173fhkblu, Sony NWZ-B173F/L, NWZ-B173FL, NWZ-B173FLI, NWZB173FLI, Sony MDR-XB200/LI, MDR-XB200/BLU, NEW Sony MDR-XB500, MDR-XB400, MDR-XB300 Version

General Features

Primary Color
This is the main color of the item.
Memory Capacity
The maximum amount of memory the item can hold.
4 GB
Power Source
The type of battery the item uses. Some batteries are rechargeable, while others are not.

Rechargeable alkaline, nickel cadmium, nickel metal hydride, lithium ion, and lithium ion polymer are all examples of rechargeable batteries.

Some batteries are integrated and built into the item, while others are removable.

Lithium Ion
Battery Life (Audio)
The average length that the unit will play audio on one battery charge.
18 hours
Recharge Time
The amount of time it takes to recharge the batteries.
1.5 hours
Connection Type
How the unit is connected to its source to send and receive information and data.

On some items such as wire or cables, this specifies how the cables connect to transfer the signals.

1/8" Stereo Jack
Video Playback
This item is capable of playing videos.

Display and Controls

Screen Type
The type of technology used to produce the screen images. LCD, DLP, Plasma, LCoS, and CRT are the most common. 2 newer technologies include LED and OLED which use light-emitting diodes (LEDs) as a backlight, as opposed to conventional LCD TVs, which use cold-cathode fluorescent lamps (CCFL) for a backlight.
If a unit is touchscreen capable, you can control a majority of it's functions by touching the screen.
Control Type
This is the method in which the unit is controlled.
Button Lock
Button Lock is a feature that will lock all of the buttons so they do not accidentally get pushed.
ID3 Tagging
An ID3 tag is most commonly used in conjunction with MP3 audio files. The ID3 tag allows the title, artist, album, track number, and other information to be displayed.

Audio Playback

The unit offers MP3 playback.

MP3 should not be confused with MPEG-3. MP3 files are the third audio layer of a MPEG-1 file. The compression algorithm of a MP3 file reduces the file size while keeping the audio quality.

The unit offers the playback of WMA files.

WMA stands for Windows Media Audio and was developed by Microsoft. It is a file used specifically for audio.

The unit will play AAC files.

The audio compression AAC stands for Advanced Audio Coding. They generally tend to have better sound quality than most MP3 files.

Video Playback

The unit will play Video Compact Discs (VCD). VCD are videos that are stored on regular compact discs (CD) and use a MPEG-1 compression.
The unit will play Super Video Compact Discs (SVCD). SVCD are videos that are stored on a regular compact disc(CD) and use a MPEG-2 compression.
Developed by Microsoft in 1992, the Audio Video Interleave is also known as AVI. AVI files are video files mixed with an audio track that plays in unison.
The unit will play MPEG-4 files.
.mov is a Apple Quicktime file format used primarily for movies.
DivX is a type of compression for storing movies. DivX video file sizes are relatively small, while the quality is impressively high.
Used in select 2008-up Coby portable media players as the file format for video playback. The Coby units include the MTV software used to convert other video file types (such as AVI/MPEG-4) into the MTV format.
OGG is a audio file that is used primarily in select Coby portable media players. Often the software to convert other audio files to a .OGG file is included with the product.

Other Playback

The unit will offer playback of JPEG still image files.
GIF stands for Graphics Interchange Format. It is a type of Bitmap image format that is used to display images.
TIFF stands for Tagged Image File Format. Sometime refered to as .tiff or .tif. The file is used to stores images.

Units with TIFF compatibility will read and display visual images with th extension .tiff.

PNG stands for Portable Network Graphics. It is an open image format that uses Lossless Compression. It is commonly used as a file for images and pictures.
BMP stands for bitmap. It is an image file format used in conjunction with digital images. It can be considered a universal image file as it is compatible with both Microsoft Windows and OS/2 operating systems.
.txt is the extension for a text file. Units that are compatible with .txt files will display the contained text.

Extra Features

This will designate if the unit is capable of having an alarm set.
Radio Compatible
Radio capable means the unit is capable of receiving a radio signal.
Radio Tuning Bands
This is the type of radio tuning bands that the unit is capable of receiving.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

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Product Summary


Model Number

NWZ-B173FHK Blue



Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Sony NWZ-B173F MP3 Player + MDR-XB200 Headphones - Blue-open box