import china goods microphone cordless Features: 1. Using Fixed UHF frequency band of 560-598MHz 2. Using Quartz crystal frequency stabilization system. 3.Five hours of continuous use with highly efficient batteries. 4.LCD display shows status of frequency, AF and RF signal etc. 5.Up to 50m typical, with a maximum of 80m under ideal condition. 6.Standard 19 inch installation size, removable fixator and metal tube structure. 7.Design for KTV, conference hall, lecture and home entertainment. Parameters: Operating frequency:VHF560-598MHz Frequency stability: <30ppm Dynamic range: >90db Harmonic distortion: < 0.8% Audio output : balance:400mV Composite:400mV RECEIVER: Power voltage:DC15-17V Consumption power:2WATT S/N Ratio:>100dB Image Interference Ratio: >80dB Adjacent Channel Interference Ratio (ACIR): >80dB Sensitivity:5dBuV(sin ad>20dB) TRANSMITTER: Transmitted power:30mW Maximum modulation:20KHz Higher harmonic: >40dB Power Supply:3V(1.5V 2AA batteries) Time: about 5 hours of continuous use HOT SALE Exhibition Certificate Company information Contact information Home