Poly Professional Vista M22 Amplifier

Product Code: 62421

Amplifier delivers precise levels of listening comfort, sophisticated hearing protection, and superior audio performance
Includes Clearline™ audio to improve call quality in any environment, especially for hearing impaired
Amplifier includes near-universal compatibility with single and multi-line telephones
Ergonomically designed volume, headset/handset and mute controls
Quick Disconnect feature between amplifier and headset allows movement away from phone without removing headset or disconnecting the call
Comes complete with a lightweight 10-foot coil cord for freedom of movement at desk
Offers superior voice clarity with Clearline™ audio technology
Delivers optimized audio levels for superior listening comfort – whatever the call
Provides enhanced Echo management for clearer calls
Protection from loud noises
Reduces background noise for clearer calls
Adjustable incoming and outgoing volume
One-button selection of headset or handset
Supports more natural-sounding speech on wideband networks
Compatible with most office & contact center phones
Supports the enhanced audio from the latest wideband VoIP phones
Operates on 2 x AA batteries (included) - if you don't want to use batteries, we recommend you purchase the Plantronics M22 AC/DC wall Adapter