Features: brand new and high quality A diameter of 34mm/1.33" inch capacitor large diaphragm core, while the sound for head diaphragm thickness is only 0.4 microns, more delicate, and with more discrimination and clear treble sound collection. Pure copper for shell, durable, rust proof and long service life. Condenser microphone diaphragm for studio recording. Good sound quality, light weight and high sensitivity. Microphone sound for head, soft alto deep and rich vividly feedback. Specifications: Type: Microphone (microphone) Type: Microphone Cartridge Material: Copper Size: approx 34x11 (mm)/1.33x0.43in Color:Yellow Number of channels: two channels (stereo) Sensitivity: -39±2dB Frequency Response: 50-20K Output impedance: 2.2k Package Includes: 1 PC x Cartridge Core Capsule for Microphone note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.