BNK Flexible Metal Tube Wireless Microphone- Bk8200

Number of channels: 2 or 4 Channel Carrier Frequency Range : 500-700MHz Audio Frequency Response : 50Hz-15kHz Working Range: 50Meter(under typical condition) 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 Cartridge: Dynamic