Plantronics M22 Vista Amplifier Audio Processor (85T20AA or 43596-64) or 43596-40 **Discontinued and relaced by Poly MDA524** Music and Entertainment A sleek charging base is

A sleek charging base is included with the CS500 Series

CS500 Series

Aviation pouch

Immersive focus for improved customer interactions

Plantronics M22 Vista Amplifier Audio Processor (85T20AA or 43596-64) or 43596-40 **Discontinued and relaced by Poly MDA524** Music and Entertainment A sleek charging base isP 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