All stock codes associated to this product
21457301, 214573-01
Poly EncorePro 300 Series 320, QD Headset - Black
 
Overview
CUSTOMER SERVICE HEADSETS
  - Get top quality audio on both ends of the call
- Make conversations clear with voice-optimization
- Empower your workforce with smart features
Specifications
  
  
    | SLR | +10 
      4 dB | 
  
    | FREQUENCY 
      RESPONSE | 200Hz 
      to 6.8kHz | 
  
    | MICROPHONE | 4 
      mm unidirectional noise cancelling microphone | 
  
    | DYNAMIC 
      MUTE ALERT | USB 
      versions only | 
  
    | RLR | Mono 
      0dB 4 dB, Stereo 6dB 3dB | 
  
    | FREQUENCY 
      RESPONSE (DYNAMICALLY SWITCHES) | 200Hz 
      to 6.8kHz telecom mode, 50Hz to 8KHz multimedia 
    mode | 
  
    | MAXIMUM 
      ACOUSTIC OUTPUT | <118 
      dBSPL A-weighted | 
  
    | ADVANCED 
      AUDIO PROTECTION | USB 
      versions only (G616, Daily Noise Exposure) | 
  
    | DRIVER 
      DIAMETER | 28 
      mm | 
  
    | DRIVER 
      IMPEDANCE (OHM) | 32 
      Ohm | 
  
    | INLINE 
      CONTROLS | USB 
      version only (call control, volume up, volume down, 
      mute) | 
  
    | INLINE 
      INDICATORS | USB 
      version only (red mute on, green in call) | 
  
    | INLINE 
      TONES | USB 
      verisons only with button presses | 
  
    | EAR 
      CUSHIONS MATERIAL | User 
      replaceable foam on fold flat receivers | 
  
    | APPLICATIONS | USB 
      versions only Plantronics Hub for Windows and 
    MacOS |