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Professional Performance Mic
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Professional Conference Microphone
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Parts and accessories

Model: BL-4000 Professional UHF wireless meeting conference microphone system
Scope of application: conference, meetings
Four units can work together at the same time!
Technical Specifications
UHF 600-900MHz frequency range
PLL Synthesized circuit
Four channels fixed frequency.
LCD status of frequency, AF and RF signal etc
EIA standard 1U rack-mountable metal chassis
Ideal for small conference rooms
Optional hand-held microphone, pocket transmitter, lavalier and headset available

Comprehensive Performance
Carrier Frequency: UHF 600-900MHz
Frequency Stabilization: <±30ppm
Dynamic Range: >100dB
Total Harmonic Distortion: <0.8%
Frequency Response: 40Hz~15KHz±3dB
Audio Output Level: Balance 400mV
Unbalance: 300mV

Power Supply: DC 15V-17V
Consume Power: 1 WATT
Signal/Noise Ratio: >105dB
Image &Spurious Rejection: >80dB
Border Upon Channel Rejection: >80dB
Receiving Sensitivity: 5dBuV (sinad>20dB)
De-Emphasis: 50uS

Transmitter Power: 10~30mW
Modulation Type: FM
Deviation: 20KHz
Spurious Emission: >40dB
Battery Voltage: 3V (2x1.5V AA Battery)
Continuous Using: 5 hours

Packing information: 54 X 34 X 14 CM
Gross weight: 5.5 KG






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