Radio hand microphone with SOS function

Radio microphone refers to a device with power supply, signal processing, and amplification

1. The radio provides DC power supply, supporting voltage levels of 3V, 5-12V, and 24V wide power supply;
2. The radio station provides a maximum power supply of 5-5W;
3. Supports single ended or differential input/output, with a minimum VPP100mV audio input and a maximum output voltage of 5V;
4. Built in fully differential amplifier drives full frequency speaker, with high volume output and a maximum of 120dB;
5. Supports full directional or single directional microphones, with a sensitivity range of -58dBv~30dBv;
6. Support emergency calls
7. Support HOOK function.