Sennheiser HD-25, Headphones, Successor to the HD-25-1-II Basic Edition, Dynamic, Closed-back, Supra-aural, Impedance: 70 Ohm, Max. SPL: 120 dB(1 kHz,1 Vrms), Frequency range: 16 -22000 Hz, Total harmonic distortion at 1 kHz: <0,3%, Max. input level: 200 mW, Right ear cup rotatable, Split headband design, Single-sided 1.5 m cable with 3.5 mm jack plug, Incl. 6.3 mm adapter, Weight without cable: 140 g