Headset Amplifier and Interface Module

Description

– Provides headset interface for phone without a headset jack – Adjustable amplification of headset transmit and receive – Powered by 12V power supply (included) or 2 AA batteries (optional) – Headset On/Off button – Mute button – Headset volume control – In-use indicator LED – 3 RJ11 ports for headset, telephone handset, and telephone