"M187 UPC: 879408007115 Title: Professional Dynamic Microphone (Corded) Features: Professional Dynamic Microphone is an economical solution to have an extra microphone on hand. Its also the perfect microphone to hand to your rowdy party guests instead of your expensive microphone. Professional Microphone (Corded) Microphone Type: Dynamic Frequency Response: 80Hz~11kHz Sensitivity: -72dB +/- 3dB (1kHz) Output Impedance: 620 ohms +30% (1kHz) Cord: 4.5mm x 6 feet 7 inches Connector: 6.3mm (1/4") Unbalanced Signal"