Plantronics A20 Telephone Headset Amplifier Adaptor System
 - All-in-One: Under the telephone accessory deck hosts Plantronics top-of-the-line A20 amplifier, cord management, on-line indicator and headset stand.
- Easy Adjustment : Audible and visual cues simplify the adjustment of incoming and outgoing volume, tone control and mute
- Improved Sound Quality: Unique SoundGuard Plus and Call Clarity technologies for superior sound
- Easy Installation: Sets up in minutes with plug-and-play automatic conifguration and seamless telephone integration
- This amplifier requires the purchase of a headset
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