Here's a pair of Shure 578 Dynamic Microphones from the 1960's! These omni-directional dynamics were made for everyday PA and other broadcasting uses. These are well build omni microphones with a smooth sound that works perfectly for drum overheads and acoustic instruments. If you've been looking for a unique omni microphone at a great price, this is the microphone for you. All of these are in excellent condition and working perfectly with new cables to XLR (wired for low impedance). Grab one of these underrated 578's from Shure!