Massdrop x Sennheiser HD 6XX HeadphonesMassdrop x SennheiserColor: Midnight blue Transducer principle: Open dynamic Frequency response: 10 Hz – 41 kHz THD: <0.05% Nominal impedance: 300 ohm Cable length: 6 ft (1.8 m) Connector: ⅛ in (3.5 mm) Weight without cable: 9.2 oz (260 g) Made in Romania
