Rack mountable UHF system is perfect for large Events - Sensitivity: <2UV (12dB SINAD) - System Distortion: <1% - On/off switch for simple operation - RF Rejection: >40dB.Foldable antennas - Dynamic Range: >90dB - Audio Output Level: 800mV(600?) - Ergonomic design fits the hand perfectly - Current Consumption: <100mA.Independent volume control for each microphone - Signal-to-Noise: >90 dB - Power supply: DC12V~17V/600MA - Maximum Deviation Range: 60 KHz (Max) - Operate Range: 200 - 260 ft..LCD display with relevant information - Image Rejection: >80dB - Current Consumption: < 400mA - Frequency Stability: ±0.005% - Battery: 1.5V*2 AA.Frequency Range: 614-698MHz - Audio Frequency Response: 75-14500HZ - Microphones - RF Output Power: 40mW - Voltage: 110-240 This wireless mic system was designed with the professional in mind. Comes with two (2) wireless UHF mics that on frequencies between 614 and 698 MHz On the base unit, two receiver antennas assure a maximum-quality link with the microphones within range. Dual volume controls provide independent control over each mic. Uses ¼" jack outputs. Two 1.5V AA batteries cables included.