Sennheiser HD 660 S2 Open-Back Headphones

Hear Every Detail. Designed for the Purist. The Sennheiser HD 660 S2 is an open-back, audiophile headphone engineered for critical listening and professional sound monitoring. Its low harmonic distortion and refined acoustics deliver an exceptionally natural, transparent, and accurate soundstage. The open-back design ensures a spacious, airy presentation that is perfect for mixing and mastering audio. Includes both 6.35mm and 4.4mm Pentaconn connectors. The ultimate tool for experiencing music exactly as the artist intended.