Sennheiser HD 620S Full Review: Surprisingly It’s The Best Open-Backed Headphone

By Sam Kendrick - Sep 6, 2024 | Updated On: 21 September, 2024 | 4 min read
By Sam Kendrick , 4 min read - Sep 6, 2024
Updated On: 21 September, 2024

Sennheiser HD 620S Full Review. Image Credit: Social Media.
Sennheiser has debuted its HD 620S, a closed-back headphone without onboard electronics, and it’s set to disrupt the market. Will it perform well?
Let’s dive into our Sennheiser HD 620S full review and explore how this might be the next big thing.
With top-notch features and functionalities at an affordable price, it is one of the top contenders among open-backed headphones, especially in this price range.
Design Features and Comfort
Design and comfort might be the most vital points for the Sennheiser HD 620S full review.
The Sennheiser HD 620S’s closed-back design serves two purposes: it traps sound within the ear cups and rejects external noise.
The design ensures superior noise cancellation, allowing extended usage without discomfort.
If you seek isolation and peace despite being in shared spaces, DH 620S won’t disappoint you.

Best Pick
Premium Sennheiser HD 620S Closed-Back Headphones
Premium Sennheiser HD 620S Closed-Back Headphones: Audiophile Stereo Sound & Immersive Surround Experience
Regarding construction, the headphones bear strong ear cups and metal headbands, ensuring longevity and reliability.
Although the unique construction makes it slightly heavier, it enhances the overall comfort and listening experience, making it ideal for various applications.
Sound and Usage Scenarios
Sennheiser HD 620S is known for its versatility, offering an impressive soundstage without punishment to the sound profile.
The headphones present a balanced yet immersive listening experience, ideal for single-story games without needing EQ adjustments.

Sennheiser HD 620S Full Review. Image Credit: Social Media.
While they might be perfect in various scenarios, they might struggle with sound overpowering in competitive gaming, particularly for FPS games like Nikita Buyanov Escape From Tarkov.
The new hybrid pads boost upper frequencies, enhancing the headphones’ versatility and performance capabilities.
Although it provides safe, smooth sound production without odd coloring, it may sound dull and lackluster compared to higher-end models, prompting users to carefully consider the trade-offs based on their preferences.
ALSO READ: Bang And Olufsen Beoplay H100 Review: Pricey But Stunning Wireless Headphones
Sennheiser HD 620S Features
There are many features in the Sennheiser HD 620S that you cannot overlook. Considering the price, it offers a lot more than expected
Notable features we discovered during the Sennheiser HD 620S full review include
- custom-tuned 42mm drivers
- angled baffles for improved airflow
- and a stainless steel plate in the earcup covers
- all intricately calibrated to offer an airy and spacious sonic experience.

Sennheiser HD 620S Full Review. Image Credit: Social Media.
Despite the firm clamping force noted by some users, the ample cushioning on the headband and earpad showcase has made up for it.
Additionally, the headphones include a detachable 1.8m cable and the possibility of an alternative cable option, another feature worth mentioning.
Despite being a passive closed-back headphone, the Sennheiser HD 620S offers commendable sound quality, considering its price.
With a muscular bass hump at 110 Hertz and a solid overall measurement, these headphones produce a sound profile that is both enjoyable and well-balanced.
Price Comparision
The Sennheiser HD 620S headphones are competitively priced at $350, maintaining the HD 600 range’s longstanding tradition of balancing budget-friendly and premium options.
This positioning is meant for a broad audience, appealing to casual listeners and audiophiles alike.
Several alternatives exist in this price range, including open-back designs such as the Grado SR325x, the Beyerdynamic Amiron, and Sennheiser’s HD 600 headphones.
For users seeking closed-back options at a similar price, the Beyerdynamic DT 700 Pro X headphones stand out. They are noted for their comfort and punchy sound reproduction.
Despite the competitive landscape, the Sennheiser HD 620S headphones are a compelling choice within the market segment.
Sennheiser HD 620S Specifications
Sennheiser HD 620S has some severe eye-catching specs that are uncommon in this price range.
| Specifications | Details |
| Model Name | Sennheiser HD 620S |
| Cable length | 1.8 m |
| Ear coupling | Around ear |
| Ear pad material | Artificial leather on a Polyurethane basis |
| Frequency response | 6 Hz – 30 kHz |
| Sound pressure level (SPL) | 110 dB / 1 V RMS |
| THD, total harmonic distortion | <0,05 % (1kHz/90 db SPL) |
| Transducer principle (headphones) | dynamic, closed |
| Price | $349.95 |
Table Source: Sennheiser
Considering the price, Sennheiser has some serious potential to be the best in its range.
Pros and Cons
Has Senhhesiser cut costs in any way? Let’s find out in the pros and cons table below.
| Pros | Cons |
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The pros win over the cons during the Sennheiser HD 620S full review.
User Reviews
The internet loved the Sennheiser HD 620S full review videos. Similarly, buyers also had big smiles after buying the headphones.
One satisfied customer states,
I had high expectations for the HD620S and it exceeded all of them.
Furthermore, another customer from Amazon says,
Sennheiser did a great job with these closed back headphones. Super comfortable, open back soundstage with closed back isolation. Pretty awesome.
These reviews have a positive tone, and there are almost zero complaints. They do not regret buying these bad boys.
Final Verdict
In conclusion, the Sennheiser HD 620S offers a balanced design, performance, and comfort combination. It provides good sound quality, enhanced through a range of gear, making it an excellent choice for versatile applications.
However, its unique characteristics may not necessarily appeal to every user’s preferences, especially those of bass enthusiasts.

Sennheiser HD 620S Full Review. Image Credit: Social Media.
The Sennheiser HD 620S is a strong contender in the under $500 closed-back headphone market. It offers well-balanced sound, impressive comfort, and versatile use cases.
While it may have some limitations, it provides a solid performance and an enjoyable listening experience.
Despite not necessarily outshining higher-end models, the Sennheiser HD 620S delivers an enjoyable listening experience, catering to various scenarios and applications.
FAQs
Q: What is the Sennheiser HD 620S frequency response?
A: Sennheiser HD 6202’s frequency response is 6 Hz – 30 kHz.
Q: What is Sennheiser HD 620S’s price?
A: The cost of Sennheiser HD 620S is $349.95.
Q: When was Sennheiser HD 620s released?
A: These headphones were launched on June 6, 2024.
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