*These headsets are used with phones with built in amplifiers like the norstar M7000 & T7000 Series phones, the Meridian 2000, 3000 Series phones and Toshiba EKT-6500, DKT-2000 and DKT-3000 Series phones with (HHEU/BHEU) headset adapter. You can use these headsets and directly connect them to their headset jack in their phone. Although some reprogramming may be needed in order for these headsets to work properly on these phones. All other phones will need an amplifier with connection.*
Plantronics Headset 
