# SENNHEISER HD 620S

**Brand:** SENNHEISER
**Category:** Audio & casques
**Code (GTIN/SKU):** 4260752332750
**Canonical URL:** https://openreviews.io/en/reviews/sennheiser/sennheiser-hd-620s-4260752332750

## Rating: 4.6/5 ★★★★★ — 21 reviews analyzed
_Confidence: high_

## At a glance

SENNHEISER HD 620S reviews: 4.6/5 based on 21 analyzed reviews from 2 sites, updated October 15, 2026.

Praised: listening quality and passive isolation. Criticized: amplification source.

21 reviews analyzed, all published on other sites.
Other sites: 2 sources, 21 reviews, average rating 4.6/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

These closed-back headphones stand out as an excellent choice for an introduction to wired high-fidelity audio. Users express great overall satisfaction during listening sessions, highlighting the clarity and accuracy of the sound reproduction. To fully exploit their potential and achieve optimal dynamics, the joint use of an external DAC is highly recommended.

## Strengths

- **Listening quality** — The headphones offer a highly satisfying sound experience for a first wired model in this range.
- **Passive isolation** — Their closed design effectively blocks out ambient noise for an immersive listening experience.

## Weaknesses

- **Amplification source** — They ideally require a DAC or an external amplifier to deliver their best audio performance.

## Frequently asked questions

- Is a DAC absolutely necessary to use them?
- Are the headphones comfortable for long sessions?
- How does the isolation compare to open-back headphones?
- Is the included cable of good quality and long enough?

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_Source: OpenReviews — https://openreviews.io/en/reviews/sennheiser/sennheiser-hd-620s-4260752332750_