newst 2CH UHF Wireless Mic

microphone UHF wireless microphone professional wireless microphone professionalwireless microphone SN-U90 Frequency range: UHF740.0-865.6MHz Frequency stability: ±0.003% Audio dynamic range: >105dB T.H.D<0.5% Output plug: XLR balance and 1/4 unbalance plug output voltage1/40-500mV XLR0-500mV Cover range: 60m Operation temperature: -10-- +50 Transmitter specification: RF output power: ≤10mW Modulation mode: RF Max modulation frequency: ±45KHz Power: AA1.5×2 a size of alkaline battery Battery life:8 hours Receiver Antenna jack: TNC 50Ω Rated power: 6.5 W S/N.: >103 Db (1KHz-A) mirror frequency rejection: >110dB spurious reduction:>90dB RF sensitivity: 100dBm Channels: dual channels Power voltage: DC12-18V power adapter