The Businessline XD is a lightweight, binaural headset for professional use in call- andcontrol centres. A Spacer-Distance-Clip, available upon request, avoids additionalpressure on the ears and enables listening to talking around. Acoustic-Shock-Protection(ASP) as well as a mark to position the microphone ensure best speech quality. TheCoolMax® active ear cushions made of breathable fibre provide high wearing comfort.In the sports industry, the breathable CoolMax® active fibre is frequently used for years.Surface channels, integrated into the fibre, avoid enhanced perspiration and heating up theears by leading warm temperatures off quickly. For hygienic reasons, the ear cushions areeasy to change by plug in and out of the headset frame. Spacer-Distance-Clips enable toincrease the day-to-day wearing comfort. The Clip allows adjusting the distance betweenhead and speaker to release the pressure from the ears.The Businessline-headsets feature a noise cancelling (NC) microphone. Alternatively, anomni-directional microphone can be delivered upon request. Acoustic-Shock-Protection(ASP) shields the ears from increased noise levels. A raised edge, located on the topsideof the microphone marks its position. This enables both, accurate direction and optimumnoise compensation.