Description:This is a kind of sound interference microphone. It possess not only the flatten frequency response and high sensitivity as well as the excellent sharp directivity， making it highly impervious to ambient noise pickup. This product use the 48V phantom power supply， balance output， specially disign for long distance sound pickup and long distance transmitting suitable for chorus and opera and other special occasion.• Optional cardioid or hyper-cardioid directivity characteristic• Distinct and clear vocal pick up• Powered by batteries• High sensitivity， wide dynamic range and low distortion• Style：back electret condenser physical interference microphone• power：phantom power supply• current drain：<24mA• surface dealing：anticathode oxygenation (black)• frequency：(30-15000)Hz• sensitivity：20mv(at 1k 94dB)• directivity：virgulate directivity• S/N：>75dB• Wind screen：﹤22dB• Maximum voltage：118dB• Working temperature：(0-16)℃• Ambient pick-up distance: (0.5-3)m• Output Impedance: 250Ω• Directivity Characteristic: Hypercardioid pickup pattern• Point: the super directional• Operating voltage: 12-48 V• Dimensions: φ21 × 145 mmPackage Content:• 1 X Microphone with cable• 1 X Microphone windshield