HD 518

Featuring ground-breaking audio technology and an open circumaural design, these headphones provide a rich audio experience. What's more, the grille design commands attention.
$ 129.95
plus applicable sales tax – free shipping
Article No. 504628
★ ★ ★ ★ ☆ 4.5
12 Reviews


The HD 518 open, circumaural headphones prove that quality and affordability can go hand in hand.

They are fitted with Sennheiser’s innovative E.A.R. technology to ensure accurate channeling of audio signals into your ears while their sophisticated Duofol diaphragms reduce unwanted resonances to an absolute minimum.

To amplify your listening pleasure even further, their generously padded earpads and headband cushion provide outstanding wearing comfort, even for long listening sessions.


  • High-end open circumaural headphones with E.A.R. technology for excellent sound reproduction with deep rich bass

  • Sennheiser's innovative "Eargonomic Acoustic Refinement" (E.A.R.) design channels audio signals directly into your ears

  • State-of-the-art, advanced Duofol diaphragms for transparency and minimal distortion

  • Highly optimised, field-strengthened neodymium ferrous magnet systems for an excellent dynamic response

  • Lightweight aluminium voice coils for high efficiency and excellent dynamics

  • Soft, crackle-free ear pads and headband cushion provide outstanding listening comfort

  • Distinctive grille-like ear cup casing design

  • Excellent connectivity, also with home Hifi equipment

  • 2-year warranty

What's in the box?

  • 1 HD 518
  • 1 3.5 mm adapter

Technical Data

  • Wearing style
  • Color
  • Impedance
    50 Ω
  • Frequency response
    14 - 26000 Hz
  • Sound pressure level (SPL)
    108 dB (1 kHz/1 Vrms)
  • THD, total harmonic distortion
    < 0,2 % (1 kHz/100 dB SPL)
  • Jack plug
    6.3 mm
  • Weight
    255 g
Reviews (12)
4.5 of 5 ★ ★ ★ ★
  • Riley C.
    Sandusky, Ohio
    Sennheiser doesn't lie.

    I use these headphones on a daily basis. Whether it be listening to music, or playing my favorite video game. These headphones are reliable, and you can count on them working every time you plug them in. The sound quality is unmatched for the price, and you just cannot go wrong with these headphones.


    Sharp Clear Bass, Amazing Color Scheme, Very Balanced All-round, Everything Is Serviceable, Comfortable, Very Airy Sound


    Look Is An Acquired Taste


    Gaming, Mobile devices, Hi-fi Stereo


    I would recommend this to a friend.

  • blip
    Melbourne, AU
    Surprisingly good clean bass!!

    Hello.. I use these mostly for listing to all types of music from trance to Classical, and some R&B in-between. the headphone covers everything really well, Clean bass when listening to some Trance(W&W,Orjan,Armin etc). I also listen to Classical music and I must say I am very pleased with the Performance. I am not an audiophile but Its great that I feel absolutely no lack of bass when listing to trance music(unlike some other sound stage headphones that lack any bass) and at the same time the bass just steps back when I listen to the classical stuff. You can listen for hours thanks to the sound stage, it doesn't hurt my ears even after extended use.The bass is clean not exaggerated and artificial.. these are best for home you, since its open it leaks..the cable is 3 meters long which I don't mind, I walk around my room with it. sound keeps getting better after about 2-3 days of use..





    I would recommend this to a friend.

  • Simon P
    Cape Town
    Subtle and Powerful Sound

    Used with a decent amp and lossless digital source, I found these excellent. The sound is more airy and layered than a closed back design. Sennheiser's own Momentums are more focused, 'colourful' and immediate, and more source-tolerant, but less airy and subtle. Both are excellent 'phones. I bought these. They do leak a fair bit of sound into the room though.


    Clarity, Refined Sound, Instrumental Timbre, Tonal Balance


    Lack Immediacy At First


    General Hi-fi Use


    I would recommend this to a friend.


  • Is there a shorter cable available for the HD 500 Series (HD 518, HD 558, HD 598) headphones?

    A shorter (approximately 4 foot) straight cable with a 3.5 mm connection is available for our HD 500 Series (HD 518, HD 558, HD 598) headphones. 

    The shorter cable is part number #505638 and can be ordered from our Sales Department on 1-(877)-736-6434 Ext: 1.

    HD 518 ( #504628 )
  • What is the difference between "open" and "closed" ear cups on headphones?

    With Sennheiser headphones the audio will always be accurate and responsive and is sure to please no matter what situation you need it for.

    An open (sometimes referred to as "open aire" headphone is one that uses some external airspace to reproduce life-like audio within the ear-cup. Think of it as having premium speakers next to your ears that you can control the volume for with extreme precision. The trade-off is that at extreme volumes some sound will leak out. Some of our "open aire" models include the HD 800, HD 700, HD 650, HD 600, HD 598, HD 558 and HD 518.  

    A closed headphone isolates you from your environment and vice-versa (ie: the sound is contained within the headphones). This is perfect for critical listening or a situation where you do not want to disturb/be disturbed. Some of our "closed" models include the MOMENTUM, Urbanite XL, HD 380 PRO, HD 280 PRO, HD 449 and HD 439.

    HD 518 ( #504628 )


  • Spec Sheets
    • 542504_Audiophile_Spec_GB.pdf (860 KB) Download

  • EU Declaration of Conformity
    • EU Declaration of Conformity HD 500 Series (510 KB) Download

    • EC Declaration of Conformity (330 KB) Download

WARNING (for California residents only): This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects and other reproductive harm. For more information go to: www.p65warnings.ca.gov.