Portable Handheld Moving-coil Wired Dynamic Microphone Clear Voice For Karaoke Features: The frequency response is specially designed according to the characteristics of the speech. The medium frequency region is bright and has a bass frequency attenuation, which can make full use of the neighbor effect. Uniform heart-shaped directivity effectively enhances the primary source while minimizing background noise. The microphone is equipped with a 180 degree anti-cracking rotating vertical microphone adapter. The pneumatic damper microphone holder reduces the noise generated by holding microphone. Built-in round wind noise and popping proof high-efficiency filter. The structure is sturdy and dependable. Specifications: Color: Black Microphone type: Dynamic microphone Directivity: Omnidirectional Frequency response: 40Hz - 18KHz Output level: 1000 Hz condition Open circuit level: -51.5dBV/pa (2.6mV) Output impedance: Rated impedance is 150 ohms (actually 290 ohms) when connected to the microphone's low impedance input Phase: When a positive pressure is applied to the diaphragm, the 2nd pin is positive voltage with respect to the 3rd pin. Size: Microphone length approx. 20 cm / 7.9 in, diameter approx. 5 cm / 2 in Weight: Approx. 225 g Package Include: 1 * Handheld Microphone