Microphone Audio Amplifier Headset Microphone Kit (for Loudspeakers) with Threaded 3.5mm Plug, Suitable for Lectures, Presentations, and Outdoor

Package List: A [Microphone body * 1 + Microphone sponge * 2] B [Microphone body * 2 + Microphone sponge * 4]. Screw thread 3.5mm plug. Comfortable headworn microphone. Sensitivity: 52dB +/- 2dB Frequency response: 1-16KHz Output impedance: 680Ω. Suitable for lectures, education, speeches, etc. Headset microphone for capturing music and voice. Headset microphone for loudspeakers with screw thread diameter 3.5mm jack (stereo).