2024年11月4日 · Poly M22 Vista Amplifier Features: The Poly (formerly Plantronics) M22 amplifier provides your best possible sound quality; Great sound lowers listening errors, repeats, and listener fatigue; Compatibility slide switch makes it work quickly with most phones; Built-to-last provides a great return on your investment

2012年9月13日 · Delivers precise levels of listening comfort, sophisticated hearing protection, and superior audio performance. The Vista M22 comes complete with a lightweight 10-foot coil cord for freedom of movement at your desk. Easy to use, with one-button headset/handset selection, plus controls for both incoming and outgoing volume.

The Poly M22 amplifier base is a durable and very reliable headset amplifier base designed for use with Poly H series headset tops. Not all phones have a headset port so the M22 allows use of a wired headset for those models that don't have this port.

Buy Poly Vista M22 Headset Amplifier featuring Increases Sound Quality and Protection, Compatible with VoIP, Wideband VoIP, PBX, Guards Against Volume Spikes and Echoes, Reduces Background Noise, User-Selectable Volume Equalization, Quick Disconnect Capable, Includes 2 x AA Batteries.

The Poly Vista M22 is an audio processor that allows you to connect a H or HW Series headset to phones that don't allow a direct connection.

Wideband audio. When used as a part of a wideband VoIP system, the Vista M22 delivers enhanced audio and more natural speech - reducing repeats, errors, and listener fatigue. Loud noise protection. Reduces the level of incoming loud noises, such as fax tones or whistle blasts to a more comfortable listening level. Advanced echo management.

M22 Vista は、オフィスやコールセンター／コンタクトセンターなどのプロフェッショナル向け電話機用アンプです。 広帯域（ワイドバンド）対応 IP 電話機に対応。