The Sennheiser HD 650 open-back circumaural headphones provide audiophiles with a comfortable, musical listening experience and rich sound detail. With an exclusive 42 mm transducer, precise production tolerances, and a lightweight velour design, enjoy hours of immersive, fatigue-free listening. Over-ear, open-back headphones designed for music lovers and reference listening Lightweight build with velour pads for extended comfort This description was generated by AI and reviewed for accuracy.