1.COTT-QD60 high sensitivity audio monitoring microphone specially designed for public security organs and procuratorate industry for synchronous monitoring recording. 2.Classic black and white with clear lines, the overall design does not lack of fashion and retro-style. 3.Using advanced squelch circuit design, super strong noise reduction, its ability which can resist to the squeal is strong. 4.High fidelity silver plated vibration membrane capacitor microphone, audio monitor range up to 100 square meters. 5.Adopt Dolby Pro Logic surround sound system, equip with high-speed voice processing units, two level dynamic noise reduction processing, and automatic gain circuit to enhance distance voice, so that the effect of audio playback is more clear. 6.The "electronic noise dynamic closed loop suppression circuit" of unique design, completely eliminate "hiss" electronic noise. 7.The latest digital module maximally improves the processing time, solves the delay situation of previous digital sound pick-up . 8.Long audio signal transmission technology, use the RVVP3*0.5mm2 shield cable, it is distortionless within 3km. 9.Integrated professional front audio amplifier circuit, direct drive active speakers, DVR, earphones, etc. 10.Widely used in public security organs, procuratorate industry, banks, schools, interrogation room, prison and other indoor environment for synchronous video audio monitor recording.
Description Sm612c/sm612d conference microphone, the company's research and development of professional conference microphone, and its unique digital processing and transmission technology, excellent sound performance, high reliability, advanced digital technology and audio technology help to combine for a variety of meeting occasions fully, sm612c/sm612d unique ability to process high sound pressure conference microphone audio line has the full-balanced design and unique masking techniques, anti-cell phone rf interference. Characteristics Pluggable gooseneck microphone with light ring High sensitivity, effective pick-up range up to 50cm Support multiple chairman and vice-chairman at same time Speech patterns and apply itself is optional, common mode Not any impact on sound quality under long distance transmission Increased reliability with "hand-in-hand" connection topology System unit support hot plug function Highly resistant to mobile phone interference Chairman unit can override all the active delegate units and approve or reject delegates who request to speak Technology parameters Pick up range:0-500mm Frequency response40hz-19khz Sensitivity-38db3db Snr-80db Nonlieardistortion
Elect-mic.
Mute control:noise-locking Frequency response:50hz-13khz Stability: ía0.005% S/n ratio:>70dbm T.H.D.:05%(1k) Channel:two Sensitivity:-80dbm Working range:100m Receiver power supply:dc 12v/300ma Microphone pwer:9v Output power:20mw Frequency range:220mhz-270mhz Output:single mix output
Microphone
Microphone Model: sm-58 Impedance: 300ohm Sensitivity: -55+(-)3db Frequency: 60-16, 000hz Direction: uni-direction Body: zinc die-cast harden steel mesh Dimension: (dia)51*l165mm Weight: 310w/o cable Cartridge: sm-58
Microphone Microphone for chat online Used for msn, icq, and etc, any voice chatroom Can pick up your voice from 0-60cm distance
Smart Wireless Microphone One Pari: Grey and Silver
The microphone has video tracking ,voting(five key) and discussion functis. The microphone unit has built-in high fidelity of capacitor sound head, its sound quanlity is clear and low noise,it has strong pickup of distance. It has uppression the howling function,when the microphone is turn on, the loundspeaker will be automatically turn to prevent the voice transfusion. The unit has built-in speaker and headphone jack,it can play background music and expansion the voice. The annular blue indicator lamp can show the working sate on the microphone. The ON/OFF state, dynamic level and volume of microphone can show on the LCD. The chairman microphone can turn down the delegate unit by priority button. The meeting model:FIFO/FREE/LIMIT/CHARIMAN. The base of material is metal, and the PVC is aluminum. It can be desktop and embedded for installation , to meet a variety of meeting places installation requirements. Built-in speaker:8 /2W/70MM Type:capacitance Directivity:single Frequency response:60Hz-14Hz Sensitivity:-452db 1KHz Input voltage:DC 24V The minimum output impedance:1K Signal to noise ratio:>68db(A) Socket:8P terminal block Cables:2.1M/8P Shielding wire Accessories: windyproof sponge,3M of T wire
