Sennheiser HD 660S2 - Open Back Headphones
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description Sennheiser HD 660S2 Overview

The Sennheiser HD 660S2 is the latest evolution of the legendary HD 600 series. It retains the iconic midrange magic that made the original series famous while improving the sub-bass extension and overall resolution. It is an intimate, warm, and incredibly musical headphone that is perfect for vocal-heavy music and long listening sessions. It is easy to drive compared to other high-end models, making it a great choice for those who don't want to invest in a massive desktop amplifier stack.

It is a true classic updated for the modern era.

help Sennheiser HD 660S2 FAQ

What is Sennheiser HD 660S2?
The Sennheiser HD 660S2 is the latest evolution of the legendary HD 600 series. It retains the iconic midrange magic that made the original series famous while improving the sub-bass extension and overall resolution. It is an intimate, warm, and incredibly musical headphone that is perfect for vocal-heavy music and long listening sessions. It is easy to drive compared to other high-end models, making it a great choice for those who don't want to invest in a massive desktop amplifier stack. It is a true classic updated for the modern era.
How good is Sennheiser HD 660S2?
Sennheiser HD 660S2 scores 9.0/10 (Excellent) on Lunoo, making it one of the highest-rated options in the Open Back Headphones category.
What are the best alternatives to Sennheiser HD 660S2?
See our alternatives page for Sennheiser HD 660S2 for a ranked list with scores. Top alternatives include: Sennheiser HD 650, Focal Clear (Original), HiFiMAN Susvara.
How does Sennheiser HD 660S2 compare to Sennheiser HD 650?
See our detailed comparison of Sennheiser HD 660S2 vs Sennheiser HD 650 with scores, features, and an AI-powered verdict.
Is Sennheiser HD 660S2 worth it in 2026?
With a score of 9.0/10, Sennheiser HD 660S2 is highly rated in Open Back Headphones. See all Open Back Headphones ranked.

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