Sennheiser HD 490 User Manual

Features—Benets
• Open, supraural, dynamic hi- stereo headphones
• Ideal for both hi- systems and portables
• Very comfortable to wear due to ultra-lightweight design
• Detailed sound reproduction with powerful bass
• Duofol diaphragms to reduce standing waves for distortion-free sound
• Detachable, single-sided connection cable
• Replaceable parts for long life
Technical Data
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HD 490
HD 490 Dynamic Headphone
The HD 490 Live open dynamic hi- stereo headphones feature excellent sound reproduction
and a good bass response. They have a highly conductive OFC copper cable and can be
connected to all personal stereos, CD players, DAT and MiniDisc recorders and hi- systems.
Sennheiser Electronic Corporation, 1 Enterprise Drive, Old Lyme, CT 06371
Telephone: 860-434-9190 • Fax: 860-434-1759 • Web: http://www.sennheiserusa.com
Sennheiser Mexico: Av. Xola 613, PH6, Col. Del Valle 03100, Mexico, DF. Telephone: (525) 639-0956. Fax: (525) 639-9482
Sennheiser Canada: 221 Labrosse Ave, Pte-Claire, PQ H9R 1A3. Telephone: 514-426-3013. Fax: 514-426-3953
Manufacturing Plant: Am Labor 1, 30900 Wedemark, Germany
Optional Accessories
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Sennheiser HD 490 Specifications

General

Brand	Sennheiser
Model	HD 490
Category	Headphone
Language	English

Summary

Features and Benefits of HD 490 Dynamic Headphone

Type of Headphones

Open, supraural, dynamic hi-fi stereo headphones for excellent sound reproduction.

Compatibility and Portability

Ideal for hi-fi systems and portable devices, offering versatile use.

Comfort and Design

Very comfortable to wear due to ultra-lightweight design.

Sound Quality

Detailed sound reproduction with powerful bass.

Diaphragm Technology

Duofol diaphragms reduce standing waves for distortion-free sound.

Connection Cable

Detachable, single-sided connection cable for ease of use.

Durability and Maintenance

Replaceable parts ensure long-lasting performance.

Technical Data for HD 490

Frequency Response Range

Specifies the audio frequency range reproduced by the headphones.

Transducer Principle

Indicates the technology used for sound conversion.

Nominal Impedance

The electrical impedance of the headphones.

Characteristic SPL

Sound pressure level at specified conditions.

Total Harmonic Distortion (THD)

Measures distortion at a specific frequency.

Ear Coupling Type

Describes how the headphones fit over the ear.

Contact Pressure

The force exerted by the headphones on the head.

Weight Without Cable

The net weight of the headphones.

Connector Type

Details the headphone plug and any adapters.

Connection Cable Specifications

Length and type of the detachable cable.

Optional Accessories

Stereo Volume Control

An optional accessory for controlling stereo volume.