615MHz-655MHz Wireless Microphone Ad4d Professional Stage Karaoke Microphone with 2 Handheld Microphone
Wireless Microphone

615MHz-655MHz Wireless Microphone Ad4d Professional Stage Karaoke Microphone with 2 Handheld Microphone

Item No.: AD4D Handheld
Model : AD4D
Brand : Sinbosen
Type : Wireless microphone
Frequency Range:615MHz-655MHz
Working distance: 150 meters
Usage:Wedding, small stage performance
Warranty: 2 Years
Description


 
Frequency Range 615MHz-655MHz
Bandwidth 2X25MHz/4X15MHz
Modulation Frequency Modulation (FM)
Oscillation mode PLL (digital frequency synthesizer)
Speech pick-up head Moving coil
Signal to Noise Ratio (S/N) > 105dB (A)
Distortion (1 Khz) <0.2%
Spurious suppression ≥90dB
Mirror suppression ≥90dB
Sensitivity 0dBuV
XLR output jack 250mV/600 Q
 Unbalanced output (1/4"output jack)  400mV/K3 Q
Frequency stability < 10ppm
Audio Frequency Response 50Hz- 18KHz
Dynamic range > 100dB (A)
Working distance 150 meters(ideal environment)
Battery Specifications 2 (15V) AA alkaline batteries
Power Specifications  100-240V 50-60Hz (switch power adapter) 


AD-4 Wireless Microphone Feature

- UHF 600MHz band, phase-locked loop (PLL) frequency synthesizer
- Infrared frequency, automatic synchronization lock the transmitter frequency
- The receiver automatically scans and locks the current environment is best to use free channels.
- Superheterodyne double conversion design, with a high receiver sensitivity
- Multi-level high-performance surface acoustic wave filters, with excellent anti-jamming capability
- Mute circuit specially designed to completely eliminate the microphone turned on and off the impact of noise
- Microphone dual step-up design, the battery down does not affect the transmit power
- The ideal environment for an operating radius of 150 meters, used in a variety of high demand occasions








 

 
         

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