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Home  >  Headphones >  Item # SNMDRXB300OB (MFR# MDR-XB300)
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MDR-XB300 30mm XB Diaphragm Driver Extra Bass Headphones - OPEN BOX
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Sony MDR-XB300 30mm XB Diaphragm Driver Extra Bass Headphones - OPEN BOX

Condition: Open Box Closeout
New Extra Bass Series Headphones, 30mm XB diaphragm driver units for Powerful Bass, Over the head, on the ear wearing style (supra aural closed), King sized ear cushion, Black

***OPEN BOX***


This OPEN BOX  product you are browsing has been inspected by our qualified technicians to ensure that it meets factory specifications. It is guaranteed to be in perfect working order but it is sold in "AS IS" condition (for example, the box may be torn, there may be cosmetic scratches, etc) and returns will not be accepted unless the item is found to be defective. Please contact us with any questions BEFORE placing an order. We accept PayPal and all major credit cards. We do our best to describe each item we are selling to the best of our ability. Bear in mind that the item is sold as-is.


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  • 30mm driver units.
    Exclusively engineered by Sony, the extra-large 30mm Extra Bass diaphragm driver units accurately reproduce ultra-low frequency sounds and deliver powerful, deep bass reproduction.
  • Direct vibe structure.
    Built with a direct vibe structure to ensure high audio fidelity, the Extra Bass headphones feature a tightly sealed acoustic design that allows for a high level of sound isolation which reproduces powerful and extended bass sound.
  • Closed design.
    Experience comfortable listening with the Extra Bass headphones' over-the head, on the ear supra-aural closed design. The drivers inside the ear cups are angled parallel to your ears to not only reduce pressure, but increase comfort and deliver an unbelievable listening experience.
  • Optimal sound quality.
    Sound leakage and a loss in audio quality are minimized thanks to a sealed acoustic design. Additionally, the MDR-XB300 headphones have an exceptionally wide frequency response from 5-22,000 Hz.
  • King sized ear cushion.
    Providing more than exceptional sound, the Extra Bass headphones feature ultra-thick, pressure-relieving ear cushions for supreme comfort and better acoustic performance. Each earcup measures 1.2 inches in thickness and 3.1 inches in diameter. Additionally, a seamless structure design offers enhanced wearing comfort.
  • Flat Y-type cord.
    Minimize tangles while you're on the move with the flat yet durable Y-type 3.9ft. (1.2m) cord. Also includes a gold-plated, L-shaped stereo mini plug.


- Driver Unit: 30mm driver, dome type
- Frequency Response: 5 to 22,000Hz
- Impedance: 24 ohms
- Sensitivity (db): 100dB/mW

Audio Features
- Ear Cups: Closed, Dynamic (supra-aural)

- Design: Over-the-head, Home-music/movie/games
- Magnet: Neodymium
- Plug: Gold-plated L-shaped stereo mini
- Type of Use: Home

- Cord: Flat

- Power Handling Capacity: 1000mW

Weights and Measurements
- Cord Length (Approx.): 3.9ft. flat cord, Y-type
- Weight (Approx.): 4.23 oz

Customer Reviews
Sony MDR-XB300 30mm XB Diaphragm Driver Extra Bass Headphones - OPEN BOX

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