AH44

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AH44

AH44 是一款雙面通訊耳機，非常適合廣播和電信應用。 指向性動圈式麥克風採用耐用的鵝頸，可旋轉 180 度，並可配置在耳機的左側或右側。 它的鵝頸上有一個內建開關，當它旋轉到直立位置時，該開關會自動使麥克風靜音。

Features

  • Headset’s mic is built on a durable gooseneck that can be rotated 180°
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  • It can be configured to be used on the left or right side of the headset.
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  • Gooseneck has a built-in switch that automatically mutes the mic when it’s swiveled into the vertical/upright position.
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    Specifications

  • Speaker Driver :
    		•  NdFeB, 40.0 mm, Dynamic Type
  • Speaker Impedance :
    		•  400Ω ± 15%
  • Speaker Frequency :
    		•  20Hz ~ 20,000Hz
  • Speaker Output Impedance :
    		•  200Ω ± 15%
  • Speaker Sensitivity :
    		•  84dB ± 3dB(@ 1KHz/mW)
  • Speaker Nominal Input :
    		•  20mW
  • Speaker Max. Input :
    		•  40mW
  • Speaker Distortion :
    		•  ≤5%
  • Microphone Element :
    		•  Moving Coil Dynamic
  • Microphone Pattern :
    		•  Cardioid
  • Microphone Frequency :
    		•  50Hz ~ 18,000Hz
  • Microphone Impedance :
    		•  200Ω ± 30%
  • Microphone Sensitivity :
    		•  -79dB ± 3dB(0dB=1V/μbar@ 1KHz)
  • Headphone Output Connector :
    		•  Ø2.5mm, 4 Pole Phone Jack
  • Cable Length :
    		•  1.0 M
  • Cable Connector :
    		•  Ø2.5 mm 4 Pole plug, Input 4 Pin XLRF, Output
  • Dimension :
    		•  190mm x 200mm x 90mm
  • Mic Length :
    		•  250mm
  • Weight :
    		•  207g (w/o cable)

    Diagrams

    Frequency Response
    Polar Pattern