Headset Amplifier for Plantronics Headsets only.

Details
This 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. May only be used with a Plantronics headset.

Features:
Combines plug-and-play configuration with seamless telephone integration.
In-use indicator and headset stand.
Connects to single or Multi-line corded phones.
Telephone / PC sound-card connection.
Headset / Handset switch. Compatible with existing H-Top headsets.
Auto configuration for simple installation.