The Sennheiser Corded Headset Amplifier is the newest amplifier. It connects to both your office telephone and your PC at the same time (with the use of the CUIPC-1 cord
To maximize ease-of-use and efficiency, the Sennheiser Corded Headset Amplifier offers built-in microphone mute and dynamic volume control features. The sound clarity system significantly improves the sound quality of the people you speak with on the phone.
The Sennheiser amplifier is compatible with almost every telephone system and is a great choice for reliability and quality.