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Enping City Baofeng Electronic Equipment Factory

Video Trakcing Meeting Microphone, Video-Tracking Function System, Conderser Meeting Microphone manufacturer / supplier in China, offering Bls-4505c/D Wired Condenser Video-Tracking Meeting Microphone, Kx-D712 Bodypack Wireless Microphone System, Kx-D814 UHF Lavalier Wireless Microphone System and so on.

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Supplier Homepage Product Digital wired conference system video-tracking wired conference system Bls-4505c/D Wired Condenser Video-Tracking Meeting Microphone

Bls-4505c/D Wired Condenser Video-Tracking Meeting Microphone

FOB Price: US $25-40 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $25-40/ Piece
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Port: Jiangmen, China
Production Capacity: 10000set Per Year
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: BLS-4505C/D
  • Application: Voice, Meeting
  • Directivity: Uni-direction
  • Main Function: Video-Tracking / Discussing
  • Controller Model: Bls-4505c/Bls-4505D
  • Connect Mic Qty: 60 Per Set, Can Contect with Extention Machine
  • Function: Built-in Speaker
  • Trademark: BKR
  • Origin: China
  • Style: Gooseneck Microphone
  • Signal Transmission: Wired
  • Transducer Principle: Condenser Microphone
  • Composition: Controller/Chairman Unit/Delegate
  • Mic Color Option: Black
  • Material of Mic: Metal
  • Gooseneck Mic Length: 440mm
  • Transport Package: Carton Box
  • HS Code: 851810
Product Description
BLS-4505C/D wired condenser video-tracking meeting microphone

Function:
Controller: BLS-450M

*It is a discussing and video-tracking wired conference system.
*The front panel adopts buttons to control speaking mode and the number of speakers, breaking the traditional dial control.
*LCD screen displays working status
*The number of speakers: 1, 2,3,4,5,6 and full opening
*7 meeting work modes: 1.chairman mode 2.first in first out mode 3.Last in first out mode 4.LIMIT mode 5.FREE mode 6.responder mode 7.Apply speaking mode (just for BLS-4505C/D unit)
*The host can connect 60 microphone units, it divide into 4 parallel outputs, each channel can connect 20 units. It also able to connect expansion unit number of extended machine up to 5000 units by power extended machine BLS-350HD(under 255 units) or data extended machine BLS-350HS(above 255 units).
*Equipped with audio parallel output and a 6.3 jack output, conference recording outputs and background music inputs interface.
*Built-in telephone coupler input and output ports, and can be used for remote telephone conference. According to the principle of communication, it divide two-way telephone voice signals into inputs and outputs. In order to control the
 intercom setting of phone call and set aside between the hall.
*RS232 interface can be achieved using computer software to control entire 
conference system function.
*Designed with frequency shift feedback function,there is a key in the back pannel
 to control turn on and turn of the function.


Chairman unit: BLS-4505C
*Latest digital design.
*With automatic video-tracking function.
*With microphone ,speaking button and indicator lamp that can show and control the state of speech.
*Metal microphone shell bottom.
*Two groups of 3.5mm stereo sound output socket; can be used as speech sound input and earphone connection.
*Built-in hi-fi speaker, volume control.
*With a microphone unit connecting cable.
*Single projection; With Anti-gas sonic boom and wind shield.
*With Chairman priority key;could shut all the delegate unit.
*With agreed speaking key.
*The chairman unit can be placed in any position in loop.
*The chairman unit is unrestricted by the limiting function.
*The chairman unit quantity is unrestricted in the loop.
*High sensitivity microphone.
*The power for units is supplied by the master controller at 9v safe voltage.
*Hand-in-hand connection method.
*With a microphone unit connecting cable 2.1m, 8P core line, convenient installation can increase efficiency.



Delegete unit: BLS-4505D
*Latest digital design.
*With automatic video-tracking function.
*With microphone ,speaking button and indicator lamp that can show and control the state of speech.
*Metal microphone shell bottom.
*Two groups of 3.5mm stereo sound output socket; can be used as speech sound input and earphone connection.
*Built-in hi-fi speaker, volume control.
*With a microphone unit connecting cable.
*Single projection; With Anti-gas sonic boom and wind shield.
*With speaking key , also is apply for speak key.
*High sensitivity microphone.
*The power for units is supplied by the master controller at 9v safe voltage.
*Hand-in-hand connection method.
*With a microphone unit connecting cable 2.1m, 8P core line, convenient installation can increase efficiency.


Parameter:
Controller: BLS-450M
Frequency response: AC 220V±10% 50Hz
Rated voltage: 100Hz-12.5Hz
Output impedance: 
REC:200Ω LINE:200Ω
BALANCE: 300Ω
UNBALANCE: 400Ω
Input impedance: LINE:50KΩ PBIN:50KΩ
S /N Ratio: 100dB (1KHz THD1%)
Size:480*370*85mm
Weight:5.5KG


Chairman unit: BLS-4505C
Type: capacitance
Polar pattern: one direction
Frequency response: 50Hz-1700Hz
Sensitivity: -45±2dB@1KHz
Input voltage: DC 9V(powered by host)
Min input impedance: 1KΩ
S /N Ratio: 68dB(A)
Output connector: 8P terminal
Input and output wire: 2.1M 8P shielded line
Mic length:440mm
Size:160*140*65mm
Weight:750g

Delegete unit: BLS-4505D
Type: capacitance
Polar pattern: one direction
Frequency response: 50Hz-1700Hz
Sensitivity: -45±2dB@1KHz
Input voltage: DC 9V(powered by host)
Min input impedance: 1KΩ
S /N Ratio: 68dB(A)
Output connector: 8P terminal
Input and output wire: 2.1M 8P shielded line
Mic length:440mm
Size:160*140*65mm
Weight:750g


System composion:
One system have to include controller unit, chairman unit, delegate unit.
Controller unit: (Three models could be optioned for video-tracking system )
                        BLS-450M   (480*370*85mm)
                        BLS-U450M (480*370*85mm, with USB disk recording function) 

Chairman unit: BLS-4505C
Delegate unit:  BLS-4505D

Video-tracking series wired microphone system model name begin with "4", microphone unit can use in discussing controller such like BLS-350M and so on.

Back of the conference system controller BLS-450M:

 
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