The famous TT1 mic, now available wireless 16 selectable UHF channels Microphone: -> Type : dynamic -> Sensitivity : -49dBV/Pa (2.2mV/Pa) -> Frequency response : 50-150000Hz -> Output impedance : 600Ω±30% at 1KHz System: Main fonctions : -> Frequency range: UHF 822-830MHz -> Channel: 16 -> Frequency stabilisation: Dynamic Range: >90dB -> Total Harmonic Distortion: Frequency Response: 50Hz~15KHz ±3dB -> Cover range: 50 M Transmitter: -> Transmitter power: 10mW -> Maximum deviation: ±50KHz -> High harmony: superior at 40dB -> Battery voltage: AA1.5V×2 -> Battery life: 6h -> Power Switch Noise: Provide with perfect switch noise deducted circuit Receiver: -> Power supply: AC100~240V/ 45-60Hz -> External: 16~20V -> Power Consumption: 5W -> S/N Ratio: >90dB -> Ratio P/N or F/N: >80dB -> Receiving sensitivity: 5dBu (SINAD=20dB) -> Audio output: - Type 0~±500mV Mix - Type 0~±300mV