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Sennheiser HD 660 S: Audiophile's Choice

★★★★☆ 4.5/5

In-Depth Review

The Sennheiser HD 660 S headphones are a top choice for audiophiles seeking neutral sound. They offer excellent sound quality with a slightly brighter tone compared to previous models, like the HD 600 and 650.

These headphones are designed for comfort during long listening sessions, with large ear cups and a soft microfiber-like fabric. The open-back design provides a natural soundstage, though it does not isolate noise well.

The HD 660 S is equipped with dynamic drivers that deliver a detailed mid-range and a smooth treble, though the bass may lack a bit of punch. They are best suited for home use due to their open-back nature.

Pros

  • Excellent neutral sound quality
  • Comfortable for long listening sessions
  • Wide soundstage due to open-back design
  • Durable and well-constructed

Cons

  • Not suitable for noisy environments
  • Bulky and not portable
  • Bass lacks punch compared to closed-back headphones

Overall, the Sennheiser HD 660 S headphones are an excellent investment for audiophiles looking for a neutral and detailed sound. While they may not be ideal for all environments, their comfort and sound quality make them a standout choice for home listening.

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