Plantronics A20 Amplifier Plantronics A20 headset Amplifier Plantronics A20 Amplifier *Discontinued* by Plantronics. Replaced by Plantronics M22 Amplifier Plantronics A20 under-the-telephone accessory deck reduces desk clutter and hosts a top-of-the-line amplifier, cord management system, in-use indicator and headset stand. Connects to single or multi-line corded phones. The A20 sets up in minutes and combines plug-and-play configuration with seamless telephone integration. Key Features: Universal Modular Amplifier for H-series Headsets w/ Busy Light All-in-One: The A20 under the telephone accessory deck hosts Plantronics top-of-the-line 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 configuration and seamless telephone integration Variable placement headset stand Adjustable accessory deck Connects to single- or multi-line corded phone Six foot corded on-line indicator Headset stand Quick Disconnect coil cable connects to all Plantronics H-series headsets Compatible with both: any Plantronics H-Series Headset
