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Sony - Earbud Headphones - Gray

Model: MDRAS400EX/W
SKU: 4900004
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  • Key Specs
    • Connection Type: Wired
    • Water Resistant: true (Resists some degree of water penetration.)
    • Carrying Case: true
    • Headphone Fit: In-Ear
  • General
    • Product Name: Earbud Headphones
    • Brand: Sony
    • Ear Cushions: true
    • Model Number: MDRAS400EX/W
    • Color: Gray
  • Audio
    • Sound Isolating: false
    • Minimum Frequency Response: 5 hertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The minimum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
    • Maximum Frequency Response: 24 kilohertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The maximum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
    • Impedance: 16 ohms (Describes the resistance of an electric signal throughout the system. Devices with low impedance require less power to deliver optimal signals but are more at risk for damage from overloading. Higher impedance requires more power but is more protected from overload damage.)
    • Sensitivity: 103 decibels adjusted
    • Driver Size: 9 millimeters
  • Connectivity
    • Connection Type: Wired
    • Connector Size: 1/8 in. (3.5mm)
  • Features
    • Water Resistant: true (Resists some degree of water penetration.)
    • Carrying Case: true
  • Design
    • Headphone Fit: In-Ear
    • Style: Sports and Exercise
  • Dimensions
    • Cord Length: 3.9 feet
  • Warranty
    • Manufacturer's Warranty - Parts: 90 days limited
    • Manufacturer's Warranty - Labor: 90 days limited
  • Other
    • UPC: 027242877061

Enjoy immersive audio during your workouts with these Sony MDRAS400EX/W earbud headphones that feature adjustable ear loops for a secure fit and water-resistant housing for reliable protection against sweat and other forms of moisture.

Headphone Buying Guide

  • Earbud design: Features adjustable ear loops that help you achieve a precise, secure fit and hybrid silicone earbuds in extra small, small, medium and large sizes for lasting comfort.
  • 9mm, high-sensitivity, dome-type drivers: Along with high-energy neodymium magnets deliver crisp, detailed audio.
  • 100 mW (IEC) power handling: Stands up to extreme output levels.
  • Water-resistant housing: Helps block sweat and water, so you can easily listen to your favorite tunes during your workouts.
  • 3.9' Y-type litz cord: Permits freedom of motion during listening sessions.
  • Gold-plated, L-shape stereo mini plug: Enables you to connect a wide range of devices.
  • 5Hz - 24kHz frequency response: Delivers faithful sound reproduction.
  • 103dB/mW sensitivity: Ensures robust audio.
  • 16 ohms impedance at 1kHz: To efficiently conduct power through the headset.
Whats Included
  • Sony Earbud Headphones
  • Earbuds (2 x-small, 2 small, 2 medium, 2 large)
  • Cord adjuster, carrying pouch
  • Owner's manual

Q: how much water can these withstand?

A: I think it only goes as far as sweat. I haven't necessarily tried wearing them in a body of water but it's only common sense not to.