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The HD 518 is a pair of mid-range headphones from Sennheiser that offer an alternative to other models in the HD product line.

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affordable for an audiophile level pair of headphones

3 agree

classic Sennheiser look

3 agree

great audio quality - features Sennheiser's house sound signature

3 agree

removable 2.5mm single sided cable - easy to replace if damaged or an upgrade is desired

2 agree

comfortable circum-aural design with soft padding

2 agree

30 Ohm impedance - easier to drive without a dedicated headphone amplifier

2 agree

great build quality

2 agree
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rougher padding than the velour found on the higher end units

3 agree

all-plastic design

2 agree

ugly grills

1 agrees

not much of a looker

1 agrees
  • Only 3 words are allowed.


The HD 518 is a pair of mid-range headphones from Sennheiser that offer an alternative to the other models in the company's HD product line. Featuring a distinctive grille-cloth-inspired exterior, this model incorporates Sennheiser's own E.A.R. (Eargonomic Acoustic Refinement) technology for discrete audio channelling across low, middle and high frequencies. Two custom-engineered Duofol diaphragm filters have been included to reduce the likelihood of unwanted distortion, promoting signal transparency in conjunction with twin neodymium ferrous magnets for preserved dynamic quality. Extensive listening sessions are made possible via the HD 518's soft, felt-covered earpads, with an additional cushion on the unit's headband for maximized comfort. A single-sided three-meter cable is included for device connectivity, with a native 1/4-inch connector and an 1/8-inch adapter for various applications. 

  • Matte Grey aesthetic
  • Circum-aural over-ear design 
  • E.A.R. channelling technology 
  • Soft earpads/headband cushioning 
  • Duofol diaphragms 
  • Neodymium magnets
  • Aluminum voice coils 
  • 3.5-milimeter stereo jack 
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