HD 660S2
SennheiserReleased Feb 1, 2023 · Analysis updated Mar 30, 2026
Sennheiser HD 660S2, an upgrade from the HD 660S, offers deep bass, fuller sound, and a comfortable, sturdy build with warm, detailed sound. The Sennheiser HD 660S2 scores 75/100 based on 7 expert reviews in the headphones (wired) category. Coverage includes reviews from Bloomaudio, Moon-audio, Audio46, and Soundnews.
Critic Score
What's this?based on 7 expert reviews
Pros
- Deep bass with fuller sound(2)
- Comfortable and well-built design(2)
- Improved over previous hd 660s model(2)
- Sturdy build quality(2)
- Warm and detailed sound(2)
Cons
- More expensive than it should be(2)
- Subjective performance is mediocre(2)
7 Expert Reviews
The Sennheiser HD 660S2 offers subtle but clear improvements over its predecessor with deeper bass extension and maintains the excellent detail and clarity expected from the HD 600 series.
The Sennheiser HD 660S2 offers a modern take on a classic headphone with deeper bass, smoother treble, and a warmer sound signature.
The Sennheiser HD 660S2 offers a warm, engaging sound with excellent soundstage and comfortable design, making it a great choice for both professionals and casual listeners.
Sennheiser HD660S2 offers a natural evolution of the Sennheiser house sound with improved bass, clarity, and technical performance.
The Sennheiser HD 660S2 improve upon their predecessors while facing the daunting task of replacing a cult classic.
