The DPA Microphones Stereo Boom Excluding Holders UA0837 is a precision-crafted microphone boom, perfect for secure mounting of microphone pairs for A-B stereo recordings. It can be adjusted for both microphone spacing and microphone angle. And the boom can be mounted on a stand, or suspended from wires. Using this model, you can also fit the DUA0019 19 mm spacer to assemble an XY stereo or ORTF stereo setup with two Standard Cardioid Microphones, Type 4011-TL or 4012. This unit is also available with (2) UA0961 Microphone Holders as model UA836.