Headphone · Sennheiser

Sennheiser HD 660S2

The Sennheiser HD 660S2 Audiophile Landscape The Sennheiser HD 660S2 represents a modern evolution within Sennheiser's legendary HD 600 family of open back dynamic headphones. Designed for critical listening, music production, and high fidelity audio enjoyment, the HD 660S2 features a re tuned 300 ohm transducer system, an improved airflow control system around the magnet, and a revised surround that delivers deeper sub bass response compared to its predecessor, the original HD 660S. Built around Sennheiser's iconic modular chassis design with recognizable mesh grilles and soft velour ear cus…