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Sennheiser HD 660S2
The Sennheiser HD 660S2 headphones deliver exceptional sound quality with a focus on deep bass and a comfortable fit for extended listening sessions.
Fast Facts:
- Type: Open-back, over-ear design for enhanced soundstage.
- Impedance: 300 ohms, ideal for high-fidelity audio sources.
- Weight: 260 grams, designed for comfort during long listening periods.

