wireless microphones

Brand: JBL Model: UHF Microphones MIC-300 Connectivity Range: Up to 10 meters Polar Pattern: Cardioid, Frequency Response: Broad range from 40Hz to 15KHz, Signal-to-Noise Ratio (S/N): Greater than 90dBA, UHF Frequency Band: Wide bandwidth from 640-690MHz, Total Harmonic Distortion (THD): Less than 1%, Dynamic Range: 100dB A-weighted, Transmitter Power: Less than 10mW, Battery Life: Enjoy up to 14 hours of playtime, powered by 2 AA alkaline.