This revolutionary headset amplifier realizes the connection between the telephone and the headset, allowing you to use it with any kind of telephone. When receiving or dialing a call, the telephone handle should be lifted and you can make a switch between the headset and the handle by using the amplifier. The line conditioning function ensures that the headset line matches any telephones.

• Clear sound quality.
• Sidetone reduction and echo prevention functions.
• Sound volume of both the headset and the microphone can be amplified or reduced.
• Light indicator is on when the headset is in use.
• Mute function.
• Comes with a practical headset holder.
• Does not require any change of the current telephone system or setting.
• An outside power supply is needed.