Headphones
Transducer type: dynamic Ø 53mm
Operating principle: closed
Frequency response: 15Hz–25,000 Hz
Nominal impedance: 60 ? per system
Nominal SPL: 98±3dB
T.H.D.: < 2%
Power handling capacity: 150mW
Sound coupling to the ear: circumaural
Ambient noise attenuation: approx. 20 dBa
Headband pressure: 5N
Weight with microphone and cable: 350g
Cable length and type: 1m + 2m extension + 10cm iPhone
Connection: mini stereo jack plug (3.5 mm)
Microphone
Transducer type: condenser (back electret)
Operating principle: pressure gradient
Polar pattern: cardioid
Power supply: AB powering
Supply voltage: 2V
Current consumption: max 0.5 mA
Nominal impedance: =2.2 k?
Open circuit voltage at f = 1 kHz: 20 mV / Pa
Frequency response: 100–12,000 Hz
THD: 2% at f = 1 kHz
Max. SPL: 105dB SPL (THD=1.0% at 1 KHz)
Microphone output: -39±3dB
Length mic boom: 150mm (including gooseneck)
Capsule diameter: Ø6*5 mm
Connection: mini stereo jack plug (3.5mm)
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