and A diameter of 34 mm/1.34 Inch capacitor diaphragm core, more delicate, more discrimination and clear treble sound collection makes the microphone sound head, soft alto deep and rich bass vividly feedback. This microphone capsule can be widely used in such professional situations as recordings,broadcastings,stage performances,personal computer home recording and so on. They are manufactured with the most precise machinery to achieve higher sensitivity making them to reproduce sounds. The diaphragm should not be touched in any way. Even if dust is found on the diaphragm, it cannot be wiped with anything. Sensitivity:-36dB2 dB(0dB=1V/Pa at 1KHz) Power Requirement:48V Frequency Response:20Hz-20KHz Power Requirement:48V Use Temperature:5-35 Gold-plating:Dual-faced Pattern:Cardioid Pattern Colour:Gold Material:Metal Package Contents: 1 * Microphone Core Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.