Plantronics M22 Vista Amplifier Audio Processor (85T20AA or 43596-64) or 43596-40 **Discontinued and relaced by Poly MDA524** Spare Part Supra Headsets - H51 and

Supra Headsets - H51 and H61

and reduces listening fatigue

Customer service representatives (CSRs) can effortlessly manage audio from different sources with limited need for additional training

allowing you to move freely throughout the office without missing a call

keep them on to watch movies

Plantronics M22 Vista Amplifier Audio Processor (85T20AA or 43596-64) or 43596-40 **Discontinued and relaced by Poly MDA524** Spare Part Supra Headsets - H51 andP 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