Product Description Takstar TCM-340 lavalier microphone use for video production, performance, broadcasting, instrument recording. TCM-340 • Cardioid directivity characteristic • High sensitivity • Clear and natural vocal reproduction • Light-weight design for flexible positioning • Unique plastic nip, firm and gentle on textile Video production, performance, broadcasting, instrument recording • Transducer Principle: Back Electret Condenser • Directivity Characteristic: Cardioid • Frequency Response: 50Hz-18kHz • Sensitivity: -45dB±3dB (0dB=1V/Pa at 1kHz) • Output Impedance: 680Ω±30% (at 1kHz) • Max. Operating Voltage: 10V • Power Requirements: 1.5V • Cable Dimensions: Ø1.7mm x 1.2m