Candc DC C9 Cardioid Microphone

Frequency Response: 35-18 kg +/- 3 db; Sensitivity: -42 dB +/- 1 db / 0 db = 1 v / foot, 1 kilogram; Noise Rise Signals: 76db SSP; Noise Rise Signals: 76db SSP; Universal Compatibility – DSLR Cameras, Camcorders, Audio Records, iPhone and Android smartphones, tablets and laptops; Battery Free Design; Durable aluminum construction; Special Features: BOYA BY-MM1 * Frequency Response: 35-18 Kg +/- 3 db Sensitivity: -42db +/- 1db / 0db = 1v / foot, 1kg; Noise Rise Signals: 76db SSP Brand new pack pcs