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M12 Universal Modular Base Amplifier

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$89.00 Sale Price:
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M12 Universal Modular Base Amplifier


  • Plugs into your telephone's handset port
  • Connects directly to any Plantronics H-Series headset
  • Adjusts strong and weak calls to a comfortable level
  • Reduces background noise heard by your caller
  • Headset/handset selector
  • Receive and transmit volume control


  • The M12 Universal Modular Base Amplifier adds manual headset operation (handset is lifted off-hook to activate headset) to the following telephone models:
  • Partner MLS, Eurostyle, and Eurstyle Series 2
  • Merlin Classic 7300 and BIS
  • Merlin Legend MLX
  • Merlin Magix 4400
  • Definity 6400, 7400, 8400, and 8500
  • 6200, 7100, 8100 Single Line
  • 4600 IP Series 1

The M12 Universal Modular Base Amplifier can also add one-touch headset operation. This feature can be programmed on the following telephone models:

  • Merlin Legend MLX
  • Merlin Magix 4400
  • Definity 6400
  • 4600 IP Series 1
  • One Year Warranty
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Free Free UPS Ground shipping on orders of $500+. Within Continental U.S. (under $500 orders only $9.95)
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