Sony MDR-NC500D - Premium Digital Noise Cancelling Over Ear Headphones

Groundbreaking technology, for your listening pleasure. The innovative MDR-NC500D headphones use digital technology to more accurately reduce stress-inducing noise from planes, trains and buses while providing the high-quality audio expected from Sony. For extra-long usage, a built-in Lithium-ion battery is included, as well as two AA batteries. Plus, in an independent blind test, frequent business travelers rated the NC500D headphones #1 twice as often as either the Bose QC2 or QC3 in overall noise cancellation and audio quality.

Features

• Noise Cancelling Technology - Noise canceling headphones reduce ambient noise and provide a quieter environment to enhance audio entertainment. The headphones have an inside microphone on each earpiece that works with electronic circuitry and ambient sound is reduced by synthesizing with a sound in opposite phase produced by the noise canceling circuit.
• Driver Size - 40mm Drivers work with digital sound enhancer to deliver wider frequency response and superb sound quality.
• Design - Lightweight design for extremely comfortable wearing with pressure relieving urethane cushion in the earpad. They come with a premium travel case.
• Convenient Operation - A built-in monitor function allows you to hear surrounding sound without taking off the headphones. Perfect for listening to announcements, flight attendants, or any external sound without the need to take the headphones off.
• Selectable Sound Mode - Allows the option to listen to music with or without noise cancellation.
• Qualtiy Noice Cancelling - Reduces up to 99% ambient noise (20 dB at 160 Hz) when noise canceling circuit is switched on.
• Battery - Internal Lithium-ion battery for up to 16 hours of use1 in addition to normal AA batteries which can be used as well and would allow for a joint 28 hours of use.
• Plug Adapter - A supplied plug adapter connects directly to stereo or dual jack of in-flight music services. Also comes with a carry case.

Specifications