The Sony F91 is a unique Dynamic Microphone With selectable impedance. The Impedance can change between 150Ω, 250Ω and HIGH impedance. This microphone uses a special sony 5 pin miniature cable that converts from a 5 pin “type 13” connector to a 3 pin XLR. The F91 is primarily used as a stylish broadcast microphone and can connect to the included A-9 stand for desktop use. It comes with the original documentation including specification sheets and owners manual. Owned and used by the famous Indigo Ranch Studios, Sonic Circus now has the privilege to sell this great looking and versatile Dynamic Microphone.