[. . . ] Made from the highest quality materials and components, this has been manufactured to the same exacting standards that have become the hallmark of SENNHEISER products over the last fifty years and made them reference equipment for broadcast, studio and stage, the world over. [. . . ] smooth warm tonal response and full dynamic range , with presence lift for vocal clarity and projection. Consistent on/off axis and proximity response maintains sound quality with moving, providing greater on-stage freedom. A new family of microphones for new standards of performance And they sound great !Your Sennheiser equipment is sure to provide years of listening enjoyment. To receive all the privileges your purchase entitles you to, please complete and mail your Product Registration Card today. Model Number: Serial Number: Return the attached card within 10 days to ensure: Warranty Confirmation Ensure your right to protection under the terms and conditions of our limited warranty. [. . . ] Your name will not be provided to other companies for mailing purposes. [. . . ]