Diaphragm Cartridge/Core: A diameter of 34mm capacitor diaphragm core, while the sound head diaphragm thickness of only 04 microns, more delicate, more Discrimination and clear treble sound collection makes the microphone sound head, soft alto deep and vividly feedback, and no coloration, truly a reprise of the original. material: metal Color as shown Specification: Element: 34 mm Pressure Gradient Transducer Gold-plating: Single-faced Pattern: -directional Frequency Response: 20Hz-20KHz Sensitivity : -33dB3dB(0dB=1V/Pa at 1KHz) Equivalent noise level : 15dB A Max. Input SPL : 138dB (at 1KHz 1% TD) Requirement: 48V Phantom Package Contents: 1 x 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.