Hi-FI Speakers

3.5mm stereo screw locking threaded jack plug Microphone head diameter: 3.5mm Suitable for Sony WRT-805A, UWP Series, UTX-B1, UTX-B2, UTX-B03 3.5mm Locking Plug wireless belt pack transmitters, and other compatible devices which use a similar plug Extremely intelligible audio for stage and television, singers, lecturers, guides and houses of worship Omni-directional microphone Sensitivity: -46dB Frequency response: 20 Hz - 20 kHz ;