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Black open-back over-ear headphones with matte silver accents and velour ear pads

Sennheiser Electronic Communications

Sennheiser Electronic Communications HD 599 SE open-back headphone

SKU CH-EX83-HKWVR

Open-back around-ear headphones with 38 mm, 50-ohm transducers, E.A.R. design and two detachable cables for extended listening comfort

  • ColorBlack
  • CompatibilityUniversal
  • Open-back design creates natural, spacious soundstage
  • 38 mm transducers with 50-ohm impedance deliver detailed, dynamic audio
  • Ergonomic Acoustic Refinement channels sound directly into the ear for realistic imaging
  • Padded headband and XL velour ear pads ensure comfort during long sessions
  • Two detachable cables included: 3 m with 6.3 mm jack and 1.2 m with 3.5 mm jack

Premium open-back headphone for audiophile listening

The Sennheiser HD 599 SE is an around-ear headphone designed for critical music listening at home. Its open-back architecture creates a wide soundstage suited to quiet rooms rather than noisy environments. Two detachable cables let you connect to both 6.3 mm and 3.5 mm sources without adapters. Buyers needing isolation for commuting or office use should consider closed-back models instead.

38 mm transducers with 50 ohm impedance

Proprietary 38 mm drivers deliver detailed dynamics and a natural tonal balance that reveals subtle nuances in recordings. The 50 ohm impedance allows direct connection to portable devices while still benefiting from dedicated headphone amplifiers. Bass extension is modest compared to closed designs, so listeners who prioritise deep sub-bass impact may find the low end lightweight.

Velour ear pads and padded headband for long

XL-size velour cushions distribute pressure evenly, reducing fatigue during extended listening. The adjustable headband adds further comfort without clamping force. Classic black finish with matte metallic silver accents gives a restrained aesthetic. The non-folding frame requires desk or stand space when not in use, making it less suited to portable storage.

Highlights

  • Open-back design creates natural, spacious soundstage
  • 38 mm transducers with 50-ohm impedance deliver detailed, dynamic audio
  • Ergonomic Acoustic Refinement channels sound directly into the ear for realistic imaging
  • Padded headband and XL velour ear pads ensure comfort during long sessions
  • Two detachable cables included: 3 m with 6.3 mm jack and 1.2 m with 3.5 mm jack

Specifications

ColorBlack
CompatibilityUniversal

Questions about this item

Will the 50-ohm impedance let me drive these headphones from an older laptop headphone jack without an amplifier?

The 50-ohm transducers are designed for universal compatibility and can be driven adequately by most laptop and mobile device outputs.

How can I confirm the open-back design is delivering the intended spatial performance after I connect them?

Play a well-recorded stereo track; you should hear a wide, natural soundstage with instruments placed clearly outside your head rather than inside it.

Which cables are included in the box and do I need to buy any adapter separately?

The package includes a 3m cable with a 6.3mm jack and a 1.2m cable with a 3.5mm jack; no additional adapters are required for standard connections.

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