The HM-500B head-mounted microphone delivers exceptionally clear and natural sound with industry-standard audio quality, making it suitable for stage or TV performances, teachiElement: Back Electret Condenser

Polar Pattern: Unidirectional

Sensitivity: -47dB ±2dB

Output Impedance: ≤2.2KΩ

S/N Ration: ≥58dB

Dimensions of capsule: Φ6.0×5.0mm

Frequency Response: 45Hz-18KHz

Power Supply: 2-10V DC

Cable: 1.2m

Connector: Mini XLR-4Png, and religious ceremonies.