The Sennheiser MD421's crystal clear sound reproduction, ability to handle high-SPL and amazingly rugged housing is only a few of the reasons that it is one of the most acclaimed large diaphragm dynamic microphones ever produced.  It's large cardioid pattern makes it ideal to record a wide variety of sources. The MD421 shines equally on guitar/bass cabinets, group vocals, drums and even radio broadcasting.   The five postion bass roll-off switch provides the ability to accurately reproduce low-end frequencies while maintaining proper balance across the frequency spectrum. The MD421is truly an essential tool in the arsenal of both professional and home studio engineers alike. This is a Factory Refurbished Item.  What is the benefit of a Factory Repack? • A nearly new item, fully certified and refurbished by Sennheiser at an INCREDIBLE VALUE • Full Manufacturers Warranty • Original Packaging (unless otherwise noted)