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Sennheiser HD620S Closed-Back Wired Headphones

Regular price $349.95
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Sennheiser HD620S Closed-Back Wired Headphones Overview

Product Information

Model: 700401 | UPC: 810091272817


What's In The Box

Product Information

Model: 700401 | UPC: 810091272817

Who Says Closed-Back Headphones Can’t Sound That Open?

Sennheiser believes in giving high-performance audio enthusiasts the purest headphone listening experience possible, even when their surroundings are far from perfect. Enter the HD 620S — an oasis for demanding listeners seeking a distraction-free listening experience without compromising on natural, expansive sound. It delivers reference-level detail, engaging dynamics and speaker-like imaging ina closed-back design.

Closed-Back Design

Provides sound isolation (passive noise cancelling) and distraction-free listening without compromising on natural spacious sound.

Airy Spacious Sound

Detailed natural tonality offers intimately true vocal reproduction due to unobscured frequency bands (6 Hz - 30,000 Hz).

Speaker-Like Spatial Imaging

Angled drivers create a panoramic soundstage - exceptional for a closed-back design.

42mm Transducers

High-performance German engineering provides outstanding detail retrieval through acoustics with minimal damping and an ultra-light voice coil.

Aluminum Voice Coil

Specially developed ultra-light voice coil with 150-ohm impedance for exceptional impulse response.

Ultra-Low Distortion

Reference-grade 42mm transducer provides ultra-low distortion across the entire frequency range for unparalleled clarity.

Deep Bass and Sub-Bass

Substantial yet meticulously balanced due to a compliant surround for powerful natural sound.

Lightweight Chassis

Stainless-steel reinforced sliders and earcup covers provide durability for long term use.

Fine-Tuned Earpads

Spacious earpads with perforations and acoustic foam imitate acoustic behavior of open-backs for long hours of listening enjoyment.

Detachable Cables

Para-aramid reinforced cables provide long lasting durability while also providing the option for balanced connections. (Balanced cables sold separately).


  • Wearing style: Wired headband
  • Ear coupling: Over-ear (Circumaural)
  • Ear pad material: Artificial leather
  • Acoustic principle: Closed-back
  • Transducer principle: Dynamic (single driver)
  • Transducer size: 42 mm with a 38 mm diaphragm
  • Frequency response: 6 Hz - 30,000 Hz
  • Impedance: 150 Ω
  • Sound Pressure Level (SPL): 105 dB (1 kHz / 1 Vrms)
  • Total Harmonic Distortion (THD): <0.05% (1 kHz / 90 dB SPL)
  • Magnetic field strength: 6.25mT
  • Weight (w/o cable): 0.72 lbs
  • Audio cable/s: 1.8 m cable with 3.5 mm plug
  • Audio adapter/s: 3.5 to 6.3 mm adapter

What's In The Box

  • HD620S Closed-Back Wired Headphones
  • 1.8 m Cable with 3.5 mm Plug
  • 3.5 to 6.3 mm Adapter
  • Manual
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