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Sennheiser

Sennheiser HD 558 Headphone

The HD558 takes over from the old HD555 as the budding audiophile's headphone of choice. Given the nice price, the acoustic performance of the HD558 headphone offers superior audio 'bang-for-the-buck' with improved clarity and excellent musical definition over its former brethren. Expect a well-mannered audio presentation that synergizes cleanly with MP3 recordings and low-bitrate digital files since the smoothly detailed presentation of the HD558 won't overly highlight the flaws of less than perfect recordings.

What We Think:
Outstanding vocal projection and cleanly textured bass response mark the HD558's highly involving sound signature. As typical for Sennheiser, the acoustic presentation remains liquid and lush but without undue bloat in the low mids that can mask detail resolution and muddy the waters for audiophile listeners. Sennheiser audio engineers have devised an advanced DuoFol diaphragm technology that minimizes standing waves within the circumaural earcup capsule, resulting in a simple but precise tonal delivery sans harsh edge or grain. A unique Sennheiser 'surround reflector' structure within the HD558 nicely extends the spatial field without the odd mid-range hollowness we sometimes hear with other deep-soundstage, image enhancing headphones. Highly optimized, field-strengthened neodymium ferrous magnets and nearly-weightless aluminum driver arrays deliver excellent quick-throw dynamics and musical definition that belies the attainable price of the HD558. Efficient enough for most portable applications at rated 50 Ohms impedance, listeners employing dedicated amplification can expect audibly improved accuracy, instrumental definition and vocal body under the drive and control of a quality head-amp. Given its strong synergy with any recording or musical genre, the HD558 is a well-recommended investment for getting into awesome high-end headphone sound without an awesomely high-end price tag.


The Sennheiser HD558 comes in matte-black with pewter gray accents and an understated honeycomb finish on the outer earcup grills. The HD558 is an open-back, vented earcup design sans ambient noise-blocking or isolation abilities. However, its open-back construction contributes mightily to the airy timbral transparency of this fine can. The HD558's cool 'twist-to-lock' detachable cord is way sweet and makes cable replacement or after-market cord upgrades down the road a quick, user-serviceable breeze. Plush velour earpads and headband padding complete the comfy ergonomics. The OFC copper headphone cord extends about 9 feet and terminates to a beefy full-size gold-plated 1/4' stereo plug; a mini-plug (3.5mm) adapter for iPod / iPads, MP3 players and laptop computers is conveniently provided in the HD558 package.

Specifications:

  • Driver Type: Dynamic
  • Impedance @ 1kHz: 50 ohms
  • Sensitivity: 112 dB SPL/V
  • THD+N: < 0.2 % (1 kHz/100 dB SPL)
  • Isolation:
  • Connector Type: 1/4" w/ 1/8" dapter
  • Cable Length: 9 ft.
  • Cable Style: Straight Left-Side (detachable)
  • Weight: 9 oz. w/o cord
  • Manufacturer Warranty: 2 year

Product Features:

  • Employs new Sennheiser 'E.A.R' technology for most spacious dimensional headphone sound
  • Airy open-back full-size circumaural construction
  • Detachable 'twist-to-lock' cord for ease of cable upgrade or replacement
  • 2 year Sennheiser manufacturer's warranty

Whats In The Box:

  • 3.5mm (1/8") mini-plug adapter
  • HD 558 headphone

Customer Reviews

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