The LM-C400 lavalier microphone only picks up sound from one direction within 30 cm. This distance is ideal for preventing pickup of ambient noise, and ensures the microphone receives the voice clearly. This compact lavalier microphone is widely used for speeches, training, classrooms, small performance, and more.
LM-C400 Frequency Response: (0dB =1V/Pa, 1 kHz): LM-C400 Polar Pattern: Color: Black Polar Pattern: Uni-directional Sensitivity: -40.5dB±2dB Output Impedance: ≤2.2K Ω S/N: ≥59dB Microphone Tube Dimension: φ4.0 X 1.5mm Frequency Response: 20Hz~18 kHz Power Supply: 2~10V.DC Wire length: 1m