Here's a Shure 51 Sonodyne Dynamic Microphone from the 1950's! These were marketed as high output microphones for public address. Today, this microphone makes a great character or effects microphone, as it has a bright colored sound that would be great for added character. This one is in great condition for it's age, and it has been converted to XLR for ease of use. If you're looking for a cool effects microphone that has great vintage looks - this is the microphone for you. Grab this 51 Sonodyne from Shure!