Sennheiser HD 620S Review – Check What It Can Offer

Sennheiser HD 620S offers clear, immersive audio with a closed-back design, accurate spatial imaging, and a comfortable lightweight build. It delivers a refined listening experience with studio-quality precision that suits both casual music lovers and critical listeners. If you’re seeking a headphone that blends everyday usability with serious sonic detail, the HD 620S hits a perfect balance of performance and practicality.

Table Of Contents hide
1 What Sennheiser HD 620S Offer?
2 Pros & Cons
3 Comparison

What Sennheiser HD 620S Offer?

  • The Sennheiser HD 620S has a 42mm dynamic transducer for rich, detailed sound with accurate imaging and a wide frequency range.
  • Sennheiser HD 620S features a closed-back acoustic design that reduces ambient noise while maintaining a spacious and natural soundstage.
  • It has a lightweight aluminum voice coil for faster diaphragm response to improve clarity and low distortion at high volumes.
  • The Sennheiser HD 620S has ergonomically contoured earcups with velour earpads for enhanced comfort during extended listening sessions.
  • Sennheiser HD 620S has a 150-ohm impedance for optimal synergy with headphone amplifiers to control over dynamics and sound detail.
  • It has a detachable 1.8-meter locking cable for secure connectivity and easy replacement or customization.
  • The Sennheiser HD 620S has a finely tuned frequency response for balanced mids, articulate highs, and clean bass across all music genres.
  • Sennheiser HD 620S has a durable yet lightweight chassis combining plastic and metal for long-term reliability without sacrificing comfort.

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Pros & Cons

Pros
  • Exceptionally detailed sound with accurate imaging

  • Closed-back design with wide soundstage

  • Lightweight and comfortable for long sessions

  • Great for both music enjoyment and critical listening

  • Easily driven by desktop amps or higher-end DAPs

Cons
  • Not ideal for mobile devices

  • No built-in mic or Bluetooth

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Comparison

FeatureSennheiser HD 620SSennheiser HD 600Beyerdynamic DT 700 Pro X
TypeClosed-backOpen-backClosed-back
Driver Size42mm40mm45mm
Impedance150 ohms300 ohms48 ohms
Frequency Response10Hz–41kHz12Hz–40kHz5Hz–40kHz
Weight326g260g350g
ComfortVelour EarpadsVelour EarpadsVelour Earpads
SoundstageWideVery WideModerate
PortabilityLowLowMedium
CableDetachable 1.8mDetachable 3mDetachable 3m
Use CaseHome, StudioStudio, AudiophileStudio, Home, Occasional Travel
PriceCheck HD 620S PriceCheck HD 600 PriceCheck DT 700 Pro X Price

FAQ

Is the Sennheiser HD 620S good for casual music listening or only critical listening?
The HD 620S is great for both. It provides studio-grade accuracy, but its balanced tuning and comfort make it enjoyable for everyday music use.

Can the Sennheiser HD 620S be powered by a smartphone or laptop?
While it can work with laptops, its 150-ohm impedance means it performs better with a headphone amp or DAC to unlock its full potential.

Is the HD 620S better than the HD 600?
They serve different needs. The HD 600 is open-back and better for airy imaging, while the HD 620S offers closed-back isolation with similar clarity.

How does the HD 620S compare to the DT 700 Pro X?
The HD 620S has a more refined midrange and less bass emphasis. The DT 700 Pro X has a fun sound signature but may lack the nuance the HD 620S provides.

Does it leak sound like open-back headphones?
No, the closed-back design keeps sound contained, making it a better choice for shared spaces or office use.

Is the HD 620S comfortable for long listening sessions?
Yes, it features velour pads and a padded headband that distribute weight evenly, allowing hours of fatigue-free listening.

Can I replace the cable if it gets damaged?
Yes, the detachable cable makes replacement easy and allows upgrades to balanced or shorter cables as needed.

Does the HD 620S have a mic or controls on the cable?
No, it is purely designed for high-fidelity listening and does not include a microphone or in-line controls.

What genres of music sound best on the HD 620S?
Everything from classical and jazz to rock and acoustic benefits from its neutral tuning and spacious sound.

Is this headphone good for gaming?
While not built for gaming, its excellent imaging and detail make it effective for positional audio in single-player and story-rich games.

What materials are used in the HD 620S?
It blends lightweight plastic and metal for durability without adding extra weight, making it comfortable yet robust.

Is the HD 620S portable?
Not really. It’s designed more for stationary use at home or in studios and lacks folding or compact features.

Does it require a long burn-in period?
Some users report improved sound after a few dozen hours of use, but it performs well right out of the box.

Can I use the HD 620S for professional audio work?
Yes, it delivers clear detail and imaging suitable for mixing, mastering, or high-quality monitoring in controlled environments.

What DAC/amp pairing works best with the HD 620S?
Compact desktop amps or integrated DAC/amp units with moderate power output are ideal for bringing out the headphone’s dynamic range and clarity.

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