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).