Other Features | - Closed cup design for enhanced passive noise cancellation. Pure HiFi capable. Detachable mic, Solid aluminum build. Braided cable. Headset -> Ø 53 mm Transducer type dynamic , Closed Operating Principle, 60 Ω per system Nominal Impedance, 98±3dB Nominal SPL, < 2% T.H.D, 150mW Power handling capacity, Circumaural Sound coupling to the ear, approx. 20 dBa Ambient noise attenuation, 5N Headband pressure, 1m + 2m extension + 10cm iPhone Cable length and type, mini stereo jack plug (3.5 mm) Connection. Microphone -> condenser (back electret) Transducer type, Pressure gradient Operating Principle, Cardioid polar pattern, AB Power Supply, 2V Supply Voltage, max 0.5 mA Current consumption, ≤2.2 kΩ Nominal impedance, f = 1 kHz: 20 mV / Pa Open circuit voltage, 2% at f = 1 kHz THD, 105dB SPL Max. SPL, -39±3dB Microphone output, 150mm Length mic boom, Ø6*5 mm Capsule diameter, 3.5mm mini stereo jack plug. Interchangable Ear Cups
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