Sony MDRPQ4/PNK manual Embark a sound journey, Making waves with digital audio, One-of-a-kind

The Complete Range Of Headphones For The Ultimate Aural Experience

Series	Features/Benefits	Target Users/Recommended Usage
Noise Cancelling	• Reduces ambient noise up to 99%*	• Recommended for frequent travellers
	• In-flight audio plug supplied for use with most airlines
	• Enjoy pure music even in noisy environment (eg. plane or bus)
	*Cancellation ratio based on energy of sound under Sony’s measurement
Sound Monitoring (ZX Series)	• Closed-type studio monitor headphones block out virtually all external sound and achieve	• Recommended for sound monitoring
	superior bass response	usage and audiophiles
	• Reversible ear cups of DJ series allow for easier music monitoring
Extra Bass	• New generation of headphones specially created with a new diaphragm that delivers a true	• For Hip-hop and dance music lovers
	sense of acoustic reproduction
	• Enjoy deep bass tones in popular hip-hop and dance music genres
	• Highly corrugated long-stroke diaphragm accurately reproduces ultra-low frequency sounds and
	rich bass
	• Built with a tightly sealed acoustic Direct Vibe Structure for high audio fidelity and extended
	bass sounds
EX Monitor	• 13.5mm-16mm driver units in-ear headphones	• Recommended for audiophiles
	• Closed acoustic construction allows reproduction of precision monitor quality
EX 9mm High-sensitivity	• 9mm high sensitivity driver units for a wider acoustic range	• Recommended for those who want
	• A hybrid silicon housing and angled earbud structure give a more comfortable fit	headphones with a balanced sound
	• Delivers robust sound in an innovative design
Youth	• Closed headphones with large 30mm driver units for high quality sound reproduction	• Recommended for stylish and casual
	• Thin and lightweight headband	users who look for lightweight
	• Casual, colourful and stylish overband headphones	overband headphones
	• Pressure-relieving urethane ear pads for good wearing comfort
iPod/iPhone Compatible	• Enjoy dynamic audio perfection, designed exclusively for your iPod and iPhone	• Recommended for iPod/iPhone users
	• In-line remote for volume and track control	who seek better sound quality
	• Built-in microphone for phone calls
Fashionable	• Trendy clip-on headphones with retractable cord	• Recommended for those who desire a
	• Stylish and distinctive designs with a range of attractive colours	pair of headphones to match their
	• Revolving mechanism provides a snug fit for different ear sizes thus minimising sound leakage	trendy lifestyle
	and offering consistent audio quality
	• Lightweight and trouble-free convenience
Fontopia	• Trademark lightweight ear-bud headphones deliver full range stereo clarity	• Recommended for those who prefer
	• Offers up to 70% sound leakage protection and maintains a wider frequency response required	the convenience of lightweight
	for balanced sound reproduction	headphones
	• To ensure headphones deliver powerful bass sound, Sony Acoustic Twin Turbo Circuitry
	(S.A.T.T.C.) is incorporated in every model

Noise Cancelling Series

Designers’ Interview

Embark a sound journey

With significant engineering and design advancements, Sony NC500D headphones turn up the audio quality while turning down the ambient and surrounding noise from the environment. This outstanding audio performer is built for comfort and convenience, ensuring perfect tunes on the go.

	• Silent cap is used to prevent sound leakage and improve fit
Active Style	• Tough and flexible, its rugged construction with secure ear fit suits any active lifestyle and even	• Recommended for those who want to
	extreme use	enjoy their music while working out
	• Premium styling accentuated by an eye-catching aluminum finish and anodised detailing
	• Well-equipped with practical performance features as well as high quality audio
Hi-Fi Home Theatre	Super Audio	Super Audio
• Super Audio	• Reproduces wider sound frequency range of up to 100KHz	• Recommended for audiophiles
• Audio Visual	• Uses NANO composite high definition driver units to achieve superior sound reproduction	• For listening to SACDs
• Cordless	• Equipped with pressure dispersion pad for extended wearing comfort
		Audio Visual
	Audio Visual	• Recommended for both music and
	• Produces high fidelity, true-to-life sound	movie enjoyment at home
	• Specially-constructed diaphragm ensures original sound reproduction
	• Equipped with sound mode switch (except MDR-XD100)	Cordless

Making waves with digital audio

“Audio accuracy and sound quality have been improved like never before due to the digitalisation of noise cancelling technology in the Sony NC500D headphones.”

Naotaka Tsunoda, in charge of acoustic design

“It’s the world’s first* digitalisation of the noise cancelling function that is finally realised after 15 years of effort.”

Takayuki Mizuuchi, NC-D500 Project Leader

Making light of challenges

“The Sony NC500D headphones are packed full of new materials and parts such as a new audio cord that can be curled in the slider. This leads to it being so lightweight and comfortable.”

Hiroyuki Ishida, in charge of mechanism/mechanism development

	- Movie sound mode for wider and powerful bass to reproduce movie theatre sounds	• Recommended for enjoying late-night
	- Music sound mode for natural sound reproduction	movies or TV programmes without
	• Wide frequency response	disturbing others
	• Urethane leather pads for added comfort
	• Unimatch plug supplied for use with various equipment
	Cordless
	• Uses infrared or 2.4GHz Digital RF Wireless transmission so sound will not be interfered by
	nearby radio or telephone
	• Automatic ON/OFF function on headphone and transmitter preserve battery life
Street Style	• Neckband wearing style	• Young individualists who use
	• Wearing style allows active movement without worry of headphones sliding off ears	headphones as accessories
	• Clip-type headphones with interchangeable housings to complement daily outfits	• Active individuals
		• Fashion-conscious customers
Core	• Lightweight and comfortable even in long usage	• Recommended for long hours of
	• Sony Acoustic Turbo Circuit (S.A.T.C.) enhances bass sound	usage as the chance of listening
		fatigue is decreased
PC Headsets	• Equipped with noise cancelling microphone for superior voice clarity	• Recommended for video conference,
	• 3m cord with 3.5mm gold-plated plug for easy connection to PC	voice/speech recognition with PC

Smarter. Quieter. Clearer.

“The noise cancelling performance has been improved compared to analogue noise cancelling performance. By digitalising the filters, only the frequency that really causes acoustic feedback is removed and the remaining frequency is used for the cancel signal.”

Kohei Asada, in charge of development of the DigitalNC system

“One of the characteristics of these headphones is the AI noise cancelling function that optimises the different noise cancelling modes for three different types of noise. “

Naotaka Tsunoda, in charge of acoustic design

Different voices. Same goal.

“The people in-charge were experienced in different fields and thus could exchange alternative views and opinions. This resulted in a creative atmosphere that led to better ideas. It was great to have been part of this project.”

Tetsunori Itabashi, in charge of development of DSP software

		and language learning
		• Recommended for music, internet
		gaming, internet telephony/chat
		and video
Outdoor	• Ear-conscious design for better wearing comfort	• Recommended for usage indoors
	• Ambient sound-in-mechanism housing with a diaphragm which allows the outside sound to	and outdoors
	be heard
	• Neodymium magnet for powerful bass sound
	• Retractable cord for easy storage

Comfort for every journey

“The Sony NC500D headphones are superior in cancelling of super low pass audio 100 Hz or less. This range of audio is usually felt as vibrations; thus when it is remarkably reduced, you hardly feel exhausted when using it for a long time on the airplane, train or other vehicles.”

Kazuhisa Kito, in charge of electric circuit/hardware

One-of-a-kind

“It’s fair to say that the NC500D is really the integration of Sony’s audio engineering. It is undoubtedly different from existing noise cancelling headphones in both the aspects of performance and innovative spirit.”

Naotaka Tsunoda, in charge of acoustic design

*1 As of March 2008, researched by Sony

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