Multimedia Boom Microphone with Base (Black) Multimedia Boom Microphone w/Base General Features: Black profile Standard Boom type multimedia microphone Weighted base for stability Mute control Noise-cancelling microphone Perfect for Internet communication Omni directional microphone Output impedance 3k ohms Frequency response 100 Hz - 8 KHz S/N Ratio 40 dB or more 6-foot cord Standard 3.5mm stereo microphone plug