Professional, wireless handheld cardiod dynamic microphone system SUW 50 MM EG – Wireless cardioid dynamic mic system including two handheld mics, two transmitters and one receiver. Receiver: Frequency Range: 863.8-864.5MHz Frequency Oscillation Mode: PLL UHF Synthesized Frequency space: 1KHz Band width: 2MHz Frequency Response: 50Hz-15KHz Working Distance: 200 feet Frequency stability: 0.005% (-10C – +50C) Image Interference Ratio: >80dB S/N ratio: >90dB Sensitivity: -105dB (12dB S/N AD) T.H.D: <0.8%@1KHz Modulation Mode: FM Power Supply: DC 12-18V 350mA Power Consumption: 4W Audio output: unbalanced 6.3mm phone jack 550mV 35KHz deviation Balance output: 250mV at 35KHz deviation Handheld Transmitter: Frequency Range: 863-865MHz Frequency Response: 50Hz-15KHz Channels: 16 Bandwidth: 2