M22 Amplifier (85T20AA aka 43596-64) or 43596-40 **Discontinued and relaced by Poly MDA524**
Used with Plantronics H-Series headsets
Speaker and microphone volume adjustments
AA battery powered (A/C adapter sold separately)
Quick-Disconnect lets you unplug and walk away
Offer ends in
Categories:
%20or%2043596-40%20**Discontinued%20and%20relaced%20by%20Poly%20MDA524**){kind=link}
Used with Plantronics H-Series headsets
Speaker and microphone volume adjustments
AA battery powered (A/C adapter sold separately)
Quick-Disconnect lets you unplug and walk away
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