Features: Experience superior sound with our cardioids dynamic microphone Capsules to minimize noise and focusing on the sound source for clear auditory output. Featuring advanced dynamic technology, this mic Capsules offers exceptional auditory sound, durability, and easy installation, for various microphone devices. Vigorous and steady, solid and transparently sound. Easy and effortless, suitable for entertainment KTV and home theater. From durability plastic and rubber, to with stand high sound pressure while maintaining stable performances Specifications: Model: A03-A Type: moving coiled type Weight: 22.5±5g Output impedance: 570Ω±15%at 1KHz. Sensitivity:-51 2db Pointing characteristics: heart-shaped pointing Frequency response ranging: 40Hz-15KHz. Noise: 75 Material: rubber+plastic Size:about 48x30mm/1.89x1.18in Working temperature: 65 5℃ Working temperature:-30 3℃ Application field: entertainment KTV/ home theater Package Includes: 1PC Dynamic Microphone Head note: Due to the problemsof lighting effect, there will be tolerances in product, please understand. Please allow 0-1cm error due to manual measurement