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.
WALK Audio P302 DUAL USB Power Bank 20,000 mAh
Model: V-950 Work Frequency : 600-930MHz Mudulation Mode : Broadband FM Channels : 200 Channel Frequency : 300KHz Frequency Stability : �± 0.005% Dynamic Bound : 100 dB Max Excursion : �± 45KHz Frequency Response : 80Hz - 18KHz (3±dB) S/N : > 105dB Operation Distance : About 100m Working Environment Temperature : 10 ± 50
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
Features: 1.9 ms ultra-low latency,20 m barrier-free reception,it can use outdoor live broadcast and take a small video. 2.It doesn't need APP,plug-and-play,one-click connection,easy to wear. 3.Intelligent noise reduction,long endurance of 10 hours,easy to cope with all kinds of noisy environment,worry-free shooting,meet your needs for a day. 4.360 full pointing pick up,record every detail of the sound. 5.Small and convenient,it compatible with various devices,support mobile phone, tablet, camera, notebook,etc
