Plantronics M22 Vista Amplifier Audio Processor (85T20AA or 43596-64) or 43596-40 **Discontinued and relaced by Poly MDA524** Spare Part The slim speaker has a

The slim speaker has a wideband frequency response for clearer and more intelligible conversations

Powered by USB

and reduces listening fatigue

is a fully integrated audio and asset management solution for customer service centers

crisp and clear sound quality with noise-cancelling microphone filter and a sleek charging base

Plantronics M22 Vista Amplifier Audio Processor (85T20AA or 43596-64) or 43596-40 **Discontinued and relaced by Poly MDA524** Spare Part The slim speaker has aP N: 43596 64 Plantronics M22 amplifier brings superior sound quality, acoustic protection and compatibility with those telephones that do not allow direct connection of headsets. Plantronics M22 amplifier brings superior sound quality and acoustic protection to your telephone. As well as providing compatibility with those telephones that do not allow direct connection of headsets it offers a range of additional features to enhance the sound quality