Sennheiser HD 660S2 open-back wired headphones
Open-back wired headphones delivering natural, detailed sound with a spacious stage. Notable for comfort and build quality, with positive feedback on clarity from a broad listening audience
Highlights
- audiophile open-back soundstage
- 42mm transducers for detailed highs
- comfortable for long sessions
Pros
- natural open-back sound
- detailed highs and deep bass
- soft earpads and comfortable fit
- lightweight voice-coil and large transducers
- good build quality
Cons
- mixed opinions on value for money
- fit may feel snug for some users
- some find price/value balance debated
Best For
Features
- Open-back design for natural, spacious soundstage and long listening comfort
- 42mm transducers with ultra-light aluminum voice coil for detailed highs and deep bass
- Accurate lows and controlled bass across a wide range (27.5 Hz to 4,560 Hz) for precise listening
- Over-ear, wired headphones designed for immersive music and professional use
