The Plantronics MX10 brings versatility and convenience to the office. The Plantronics MX10 Amplifier and Audio Processor connects your telephone and PC or external audio device to a Plantronics headset and provides control of the sound through your headset. The MX10 Amplifier and Audio Processor includes near-universal compatibility with single- and multi-line telephones. A Quick Disconnect connector allows you to walk away from your desk without removing the headset or disconnecting the call. 8 inch patch cord with dual 3.5 mm plugs for connection to computer/audio source Allows a single headset to be used with a telephone and a computer Soundguard, or external audio device Integrated telephone/computer (audio) switch The Plantronics Headset Adapter Multimedia Amplifier enables advanced desktop applications, increasing the productivity of headset users Use with any Plantronics Standard H-Series headsets Product also known as: 43404-01, mx-10