... .OEM Service Product:microphone,wire microphone,wire vocal microphone,handheld wire vocal microphone,wire karaoke microphone,Hot Sale Professional ... Quality Handheld Wire Vocal Microphone JA-58V Application: speaking and ... 1.Capsule Type:Dynamic2.Frequency response:50Hz-15KHz 3.Output Impedance (at 1kHz):600Ω±30%4.Sensitivity (0dB=1v/ ...