Heil PR20-UT Microphone w/Vinyl Carrying Bag, Microphone Clip, Windscreen, and 20' XLR Cable! Output Connection: 3 pin XLR Frequency Response: 50 Hz - 18 kHz Rear Rejection @ 180 degrees off axis: -30 dB Impedance: 600 ohms balanced Output Level: -55 dB @ 1 kHz