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Plantronics 43596-40 Vista M22 Amplifier


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  • Modular jack plugs into phone
  • Loud noise protection
  • Echo management
  • Call volume equalizer
  • One-button handset/headset selection
  • Uses 2 AA batteries (included) or optional AC adapter (not included)
  • Mute button


The Plantronics M22 amplifier enhances your telephone with superior sound-quality and acoustic protection. In addition, it can be used with telephones that don't allow direct connection to headsets. Plantronics SoundGuard Plus™ technology ensures superior voice clarity and tones. The Call Clarity™ technology reduces background noise and maintains a consistent volume level. Operates on 2 AA batteries (included) or with an optional AC adapter (not included).