
Audiophile Sound
HD 598
The HD 598 provides an impeccable sound quality
and unrivalled comfort. With Sennheiser‘s
innovative E.A.R. technology, audio signals are
directly channelled into the user‘s ears while highly
constant, compressed cellulose fleece reduces total
harmonic distortions. Additionally, the HD 598
comes with a high-quality leatherette headband
and velour ear pads which accentuate the already
outstanding listening experience.
• High quality components for outstanding
acoustic performance
• Special diaphragm geometry reduces
intermodulation distortion
• Eargonomic Acoustic Refinement (E.A.R.) feature
enables ideal sound channelling

HD 558
Movie and music aficionados will definitely
appreciate what the new HD558 has to offer.
Not only does it feature Sennheiser’s E.A.R.
technology and optimised Duofol diaphragms,
but also a Surround Reflector that generates
an extended spatial sound field for an
enhanced audio experience.
• Eargonomic Acoustic Refinement (E.A.R.)
feature enables ideal sound channelling
• State-of-the-art Duofol diaphragms
• Velour ear pads for superior wearing comfort
HD 518
The HD 518 proves that quality and
affordability can go hand in hand. It’s
fitted with Sennheiser’s innovative E.A.R.
technology and special Duofol diaphragms
for an enjoyable audio experience.
Generously padded ear pads also provide
outstanding comfort, even during long
listening sessions.
• Eargonomic Acoustic Refinement (E.A.R.)
feature enables ideal sound channelling
• State-of-the-art Duofol diaphragms
• Outstanding comfort for long
listening sessions

Technical Data
HD 598
EAN 40 44155 05608 2
UPC 6 15104 18773 3
Article no 504633
Transducer principle Dynamic, open
Frequency response 12Hz – 38,500Hz
Impedance
THD - Total harmonic distortion
(1kHz, 100 dB SPL)
Sound pressure level (SPL) 112 dB (1kHz / 1Vrms)
Weight 294 g
Cable length 3 m 4-strand copper cable, (OFC), single-sided, changeable
Connector 6.3 mm stereo jack with 3.5 mm adaptor (both gold plated)
Content of delivery HD 598 headphones, 3.5 mm adaptor
Packaging
Packaging type “altar” concept: carton box with blistered product on display inside
Dimensions of product packaging
(L x B x H)
Dimensions of outer master carton
(W x H x D)
No. of products per multi-pack 6
Languages on packaging (version 1) English, German, French, Spanish, Italian, Dutch, Portuguese
Languages on packaging (version 2) English, Russian, Polish, Turkish, Chinese (simplified), Chinese (traditional), Korean
50 O
<0.1%
205 x 100 x 240 mm
427 x 347 x 267 mm
HD 518HD 558
EAN 40 44155 05606 8 40 44155 05603 7
UPC 6 15104 18770 2 6 15104 18767 2
Article no 504631 504628
Transducer principle Dynamic, open Dynamic, open
Frequency response 15Hz – 28,000Hz 14Hz – 26,000Hz
Impedance
THD - Total harmonic distortion
(1kHz, 100 dB SPL)
Sound pressure level (SPL) 112 dB (1kHz / 1Vrms) 108 dB (1kHz / 1Vrms)
Weight 270 g 286 g
Cable length 3 m 4-strand copper cable, (OFC), single-sided, changeable 3 m 4-strand copper cable, (OFC), single-sided, changeable
Connector 6.3 mm stereo jack with 3.5 mm adaptor (both gold plated) 6.3 mm stereo jack with 3.5 mm adaptor (both gold plated)
Content of delivery HD 558 headphones, 3.5 mm adaptor HD 518 headphones, 3.5 mm adaptor
Packaging
Packaging type “altar” concept: carton box with blistered product on display inside
Dimensions of product packaging
(L x B x H)
Dimensions of outer master carton
(W x H x D)
No. of products per multi-pack 6 6
Languages on packaging (version 1) English, German, French, Spanish, Italian, Dutch, Portuguese
Languages on packaging (version 2) English, Russian, Polish, Turkish, Chinese (simplified), Chinese (traditional), Korean
50 O 50 O
<0.2% <0.2%
205 x 100 x 240 mm 205 x 100 x 240 mm
427 x 347 x 267 mm 427 x 347 x 267 mm
Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com
542504 08/2010 Printed in Germany Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co. KG www.sennheiser.com