Royer Labs SF-12, Stereo Ribbon Microphone, X/Y and M/S recording possible, Operating principle: electrodynamic pressure gradient, Frequency range: 30 - 15,000 Hz (+/- 3 dB), Polar pattern: Eight, Sensitivity: > -52 dBv Re. 1v/pa, Max. SPL: >130 dB, Output impedance: 300 Ohm @ 1K (nominal), Requires +48V phantom power, Output: 5-pin XLR, Dimensions: 206 x 25 mm (length x diameter), Weight: 369 g, Incl. adapter cable 5-pin XLR to 2x 3-pin XLR, microphone holder and a wooden case