Pyle PMKSTR1 Connector: 4 Pin XLR Jack - Adjustable Gooseneck Design - Works with Shure Systems Element: Back Electret Condenser - Polar Pattern: Uni-Directional - Frequency Response: 50Hz - 18kHz Includes Universal Instrument Clips: Bass, Cello, Flute, Guitar, Piano, Sax, Violin Includes 48V XLR Phantom Power Adapter - S/N Ratio: &gt;70dB - Sensitivity: -45dB +/- 3dB Output Impedance: 2K +/- 30% - Max. Input SPL: 130dB - Power Supply: 48V Phantom Power