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Sennheiser HD 400S review

£48.50 View retailers

Test scoreShow Context

Key features
  • On-ear
  • Wired
Expert review

The Sennheiser HD 400S are affordable, wired, over-ear headphones with an in-line remote for taking calls and controlling music playback. But with so many headphone brands to choose from is it right to stick with a long-established brand like Sennheiser? Find out whether these successors to its old HD 4.30 pair deliver excellent sound quality, or are disappointing for the price. Our professional listening panel have listened to hundreds of headphones over the years and give you the definitive verdict.

What's included:
  • Pros and cons
  • What are they?
  • How do they sound?
  • What are they like to live with?
  • Is there anything I should watch out for?
  • Is there anything else I should know?
  • Should I buy them?
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Last checked by Which?

June 2022

First reviewed by Which?

November 2019

Released

February 2019

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

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Best Buys and Don't Buys
We have tested 265 headphones and found that there are 46 Don't Buys and 34 Best Buys.
Range of Headphone scores
  1. 10%
    Lowest score
  2. 55%
    Average score
  3. 91%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to headphones we've tested
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Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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