BNK 8400 Wireless 4 Microphone

Number of channels: 2 or 4 channel • carrier frequency range : 500-700mhz • audio frequency response : 50hz-15khz • working range: 50meter(under typical condition) • receiver material: matel with display • handheld material: matel with display receiver • rf sensitivity: >-80db • audio output level: balanced and unbalanced • power supply: dc/12v, 700ma,1000ma(bk8400) • dimensions(w*h*d): 210*36*130mm/ 480*46*180mm transmitter • cartridge: dynamic • rf output: <10mw • frequency deviation: ±22khz