The Hosa Impedance Transformer XLR Female Mic Low-Z to Instrument 1/4" Male Hi-Z features a Lo-Z female 3-pin XLR input to a Hi-Z male 1/4" phone jack, designed to match 200 ohms to 50 kilohms impedance. It is ideal for connecting a Lo-Z microphone to a Hi-Z instrument jack, matching the impedances.