Sony MDR-NC7/BLK User Manual

Sony Electronics Inc. • 16530 Via Esprillo • San Diego, CA 92127 • 1.800.222.7669 • www.sony.com
MDR-NC7/BLK
Noise Canceling on-ear headphones
Specifications
1. Reduction of energy of sound compared with not wearing headphones.
2. Actual time may vary based on product settings, usage patterns, battery and environmental conditions.
3. May not be compatible with some in-flight audio/video services.
©2009 Sony Electronics Inc.
Sony is a trademark of Sony. All other trademarks are property of their respective owners.
Features and specifications are subject to change without notice. Non-metric weights and measures are approximate.
Last Updated: 05/12/2009
Noise Canceling headphones reduce unwanted ambient noise,
providing a quieter environment to enhance your listening experience
Reduces outside ambient noise by 87.4%
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Foldable and swivel design for easy portability
Dual use capability allows for the option to listen to music with or
without noise cancellation
Neodymium magnet delivers powerful sound
Audio Features
Ear Cups: Swivel for folding
General
Magnet: Neodymium
Plug: stereo mini plug
Headband: Wide, Adjustable, Foldable
Design: Over - the - head, Noise canceling
Type of Use: Noise Canceling
Case Type: Pouch
Audio
Frequency Response: 30Hz - 20,000Hz
Impedance: 40 ohms at 1kHz (when the power is on),
45 ohms at 1kHz (when the power is off)
Driver Unit: 38mm, dome type
Noise Level: Total noise suppression - Approx: 9dB
( when power is on)
Selectivity: Noise Canceling switch - Available (ON/OFF
switch on housing)
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Sensitivity (db): 102dB/mW (when the power is on),
100dB/mW (when the power is off)
Hardware
Cord: Dual - sided
Headphone Type: Open - air, Dynamic
Power
Power Handling Capacity: 100mW
Battery Life (Approx): Up to 50 hours with alkaline
batteries; up to 25 hours with manganese battery
(may vary with usage conditions)
Dimensions
Weight: 4.7 oz. (134g)
Supplied Accessories
Carry Pouch
Inflight Plug Adaptor
Manganese AAA Battery
Warranty Card
Extension cord
Color: Black
UPC Code: 027242745100
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Sony MDR-NC7/BLK Specifications

Audio Features

frequency response	30Hz - 20, 000Hz
impedance (power on)	40 ohms at 1kHz
impedance (power off)	45 ohms at 1kHz

Power

power handling capacity	100mW
battery life with alkaline	Up to 50 hours
battery life with manganese	Up to 25 hours

Dimensions

weight	4.7 oz (134g)
driver unit	38mm, dome type
noise level suppression	Approx: 9dB (when power is on)

Summary

Sony MDR-NC7/BLK Noise Canceling Headphones Overview

Key Noise Canceling Features

Highlights noise reduction, portability, dual use, and sound quality from Neodymium magnets.

Sony MDR-NC7/BLK Specifications

Audio Features

Details on ear cup design, including swivel capability for folding.

General Specifications

Covers magnet type, plug, headband, design, type of use, and case type.

Audio Performance

Includes frequency response, impedance, driver unit, noise level suppression, and switch selectivity.

Hardware Details

Information on the cord type and headphone design (open-air, dynamic).

Power Specifications

Details power handling capacity and estimated battery life with different battery types.

Physical Dimensions

Specifies the weight of the headphones in ounces and grams.

Supplied Accessories

Lists included items such as carry pouch, adapter, battery, warranty, and extension cord.

Color and UPC

Indicates the color of the product and its Universal Product Code.