TAKSTAR SGC-698 Photography Interview Recording Microphones MIC 3.5mm Output for Nikon Canon Camera DSLR DV Camcorder 1.Use standard XY stereo miking techniques, pan position clear, stable 2.Built-in + 10dB and -10dB sensitivity switch, suitable for different recordings sound intensity 3.Built-in low-cut filter switch, effectively reducing the environmental noise glitch 4.Use anti-radio frequency interference (RFI) shielding technology, can reduce a good cell phone signal interference 5.3.5mm stereo mini-plug output signal  Standard