Professional BNK Bk902 Microphone

System Type: Dual-channel Ultra High Frequency (UHF) wireless microphone system.Carrier Frequency Range: Operates within a stable 500–700 MHz band to prevent external interference.Effective Working Range: Offers coverage spanning 40 to 60 meters (up to 200 feet) under typical operating conditions.Audio Frequency Response: Delivers balanced acoustics from 50 Hz to 15 kHz.Microphone Cartridge: Features a dynamic element with a cardioid polar pattern for optimal feedback rejection.Power Source: Handheld microphones operate on two standard 1.5V AA batteries, yielding up to 8 hours of battery life.