Longest distance in open: 80 ideal distance in open: 30 M Using VHF 173-216MHZ band to avert interfering frequency. The Wireless Microphone use hidden antenalook good and useful. There is a volt indicating circuit in the Microphone it can tell you if it is necessary to change the battery. The receiver use multilevel high frequency enlarge so it has high sensitivity. It has channel separate outputting and mix outputting and it can be connected with sound-ajusting stage and the Karaoke enlarger. Special tone keyer locked identity functions to avoid interference signal from the outside open the mute system Frequency response tailored for vocal, with brightened midrage and bass roll-off. It is suitable for small and large stages/ballrooms auditoria classrooms and families. Carrier Frequency Range: 210 to 270 MHZ, VHF High band Frequency Stability: +/- 0.05% with quartz controlled Modulation Mode: FM Maximun Deviation Range: +/- 15KHz, with limiting compressor Frequency Response: 40Hz to 16KHz S/N Ratio: Better than 0.5% T.H.D.: Less than 0.5% Audio Dynamic Range: Over 100 Service Areas: 30 Meters Temperature Range: 20C to 55C
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