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Sony® Over Ear Headphone-Black-MDR1A/B

Model #: MDR1A/B
At a Glance

Sony® Over Ear Headphone-Black with beat response control reduces heavy bass distortion and foldable ear cups for easy portability

Available in Store Only

Get to know this product.

  • Aluminum-coated Liquid Crystal Polymer diaphragms
  • Liquid crystal polymer film, which is ideal for diaphragms, is coated with aluminum to provide high and flat internal loss in all ranges and sound production without coloration.
  • 40 mm HD driver unit that supports high resolution
  • Beat Response Control
  • Acoustic port on the housing controls air flow for bass range and
  • optimizes diaphragm movement. Beat response control improves the transient characteristic in bass sound and delivers the rhythm accurately.
  • Ergonomic ear pad
  • The ear pads are manufactured by draping, which allows ergonomic design to fit the head and makes use of the flexibility of urethane. Improvement of the fit protects from sound leaking and delivers powerful lows.
  • Enfolding structure
  • Pressure-relieving cushions, tailored for the ears, provide a wrap around feel with acoustic sealing to deliver powerful lows.
  • L/R ground separated cable for cross talk reduction
  • Silver-coated OFC (Oxygen Free Copper) strands to reduce the transmission loss of the signals
  • Detachable cable
  • Silent joints
Driver Unit
  • 1.57 in dynamic – Dome type
Frequency Response (HZ)
  • 3-100,000Hz
Cord Length
  • 3.94 ft
Useful Documents


Weight (grams):225.09


Cord Length (In.):47.28



Misc. Specs

Manufacturer WarrantyLimited Warranty. See store for full details.
Sport HeadphoneNo
Headphone TypeOver-Ear
WarningProposition 65 Warning for California Residents