The Sennheiser MD421 is one of the most popular microphones to hit the scene in the company’s long history in the consumer electronics business. Boasting characteristics the dynamic microphone is so well known for, this Sennheiser microphone handles high-pressure levels of sound with tremendous efficiency, which makes it ideal for recording live guitar, bass, and drums. On the other hand, with the sturdy cardioid design, optimal cable length, and light weight of 13.58 oz, this dynamic microphone is suitable for a wide variety of instruments, in addition to song vocals and radio broadcasts. The Sennheiser MD421 is a limited edition offering launched to commemorate the 90th birthday of Fritz Sennheiser, founder of Sennheiser. Only 990 units of this Sennheiser microphone were produced overall, so those who are able to find one should consider themselves in luck. After incorporating the Sennheiser MD421 into their recording project, users will understand why it is held in such high regard.