GINTOOYUN High Sensitive Microphone,Mini Audio Pickup Microphone Mic, CCTV Microphone High Sensitive Preamp,with Power Cord and Audio Cable for Security Camera DVR Sound

Description

High sensitivity audio pickup is compatible with AV input devices,such as TV,VCR,DVR Red head power interface,white audio interface,using copper core interface,low loss,long transmission distance,fast transmission speed consumption This high-gain mini preamp microphone is the best choice for professionals-widely used in banks,offices,hospitals,petition offices,border inspections,front desks,prisons,interrogations,airports,classrooms,examination rooms,companies,museums,auctions Where you need to restore the sound and record the history Sound recognition range:5-60㎡ Installation principles: Try to be as close as possible to the main recording area to achieve a better pickup effect Pickup connection cable selection and wiring: If the distance between the front-end pickup and the front-end recording equipment is very short, such as only a few meters away,the pickup/monitor head can use ordinary telephone lines,Category 5 network twisted-pair cables,shielded/unshielded signal cables,etc If the distance is long,or the environment is complex,and there are signal transmitters or other wireless communication equipment around,you should use shielded cables,and RVVP2*0.5 or 2*0.75 is recommended The power supply of the pickup generally adopts the extended centralized power supply mode(that is,centralized power supply at the audio recording equipment end/amplifier equipment end),and the general power cable can be used.If there is electromagnetic interference,it is best to use a shielded wire Note: When wiring,it is best to separate the wiring,do not use the same cable trough in high current(such as alternating current),and try to avoid using strong electromagnetic interference devices,such as transformers,and it is best to separate audio cables and power cables to avoid current interference Interface type: 1: Red port- power input port 2: White port-audio cable Package includes: 1 x waterproof monitor pickups