If you are looking for a professional and unidirectional condenser microphone core, then your search is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is easy to use and bring you much convenience. Features - - Material: aluminum alloy; FR4. - Size: About 1.40X1.40X0.60cm/0.55X0.55X0.24inch. -Note: Random Style - It is made of and durable materials and will not be easily . - The farthest receiving distance is 50cm, very convenient and practical. - Using noise reduction technology to produce, bring you a different use effect. - The detailed audio processing makes your voice more outstanding. - With stable performance, it is a great replacement accessories for microphone. Specification - Model NO.: -1465. - Sensitivity: -34±3 (0 =1V/Pa). - Conventional sensitivity: (±1.5 ). - Standard test condition: Temperature: 15 degree centigrade-35 degree centigrade Relative humidity: 45%-75% (RH) Pressure: 86-106KPa - Test Condition: Temperature: 20 degree centigrade±2 degree centigrade Relative humidity: 60%-70% (RH) Pressure: 86-106KPa - Directivity: Unidirectional 1KHz 0° and 180° sensitivity difference ≧ 10 Minimum Directional Sensitivity is 10 (0°/180°Ratio). - Operating voltage: maximum value: 6V; minimum value: 1V. - Output impedance: Symbol: ZOUT; Condition: f=1KHZ; Maximum value: 2.2k. - Current consumption: Symbol: ; Condition: Vc=2. , RL=2.2k; Maximum value: 500uA. - Signal-to-noise ratio: Symbol: S/N; Condition: f=1 KHZ, S.P.L=1Pa; Minimum value: 63 . - Decreasing Voltage: Symbol: △S-VS; Condition: Vc=2. to 1.5V; Maximum value: -3 . Package list: 1 x unidirectional condenser microphone core