Technical Specifications

• Transducer type: Dynamic 53mm
• Operating principle: Closed
• Frequency response: 15Hz-25KHz (earphones)
• Nominal impedance: 60 ohm 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: 5 N
• Weight with microphone and cable: 350g
• Cable length and type: 1m + 2m extension + 10cm iPhone
• Connection: Mini stereo jack plug (3.5MM)
• 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 ohm +/- 30%
• Open circuit voltage at f = 1 kHz 20 mV / Pa
• Frequency response: 100 - 12,000 Hz (microphone)
• T.H.D: 2% at f = 1 kHz • Max. SPL: 105dB SPL (THD ≤ 1.0% at 1KHz)
• Microphone output: -39+/-3dB
• Dimensions: 6*5mm
• Length mic boom: 150MM(include gooseneck)
• Capsule diameter: 6mm