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Wired open-back headphones Sennheiser HD 650 — 300 Ω impedance, 10–41,000 Hz, 3 m cable, 6.35 mm adapter
Summary description:
Sennheiser HD 650 are wired, open-back around-the-ear headphones for audiophile use. They feature a 300 Ω impedance, frequency response 10–41,000 Hz, 102 dB sensitivity, 0.05% THD and neodymium dynamic transducers. Supplied with a 3 m cable and 6.35 mm adapter, they are intended for high-quality critical listening with compatible amplifiers and DACs.