2pcs WM 61A Omnidirectional Back Electret Condenser Microphone Cartridge Capsule

WM-61A Omnidirectional Back Electret Condenser Microphone Cartridge Capsule. Quantity: a lot of 2pcs. Manufacturer: Panasonic. Size: D6.0mm x H3.4mm. Features: Small microphones for general use. Back electret type designed for high resistance to vibrations, high signal-to-noise ratio. High sensitivity type. Specifications: Impedance: Less than 2.2k OHM. Directivity: Omni-directional. Frequency: 20-20,000Hz. Max. Operation Voltage: 10V. Standard Operation Voltage: 2V. Current consumption: Max.0.5mA. Sensitivity reduction: within-3dB at 1.5V. S/N ratio: More than 62dB. Sensitivity: -35±4dB (0dB/pA,1KHz).