Used condenser microphone. I used it attached to the Sony a7RIII's shoe, but I'm selling the microphone separately as I've sold the camera. It's used, but I think it's in relatively good condition. Please check the photos. Comes with the original box, all instruction manuals, and batteries. Type: Condenser Polar Pattern: X/Y Supercardioid Frequency Response: 40Hz~20,000Hz (Variable High-Pass Filter @ 80Hz) Sensitivity: -38dB ±2dB re 1V/Pa @ 1kHz Output Impedance: 200Ω Equivalent Noise: 20dBA SPL (IEC651) Maximum Output: +6.9dBu (@ 1% THD; 1kΩ) Dynamic Range: 115dB (IEC651) Maximum Sound Pressure Level (SPL): 134dB (@ 1kHz; 1% THD; 1kΩ) S/N Ratio: 74dB SPL (IEC651) Power: 9V Alkaline Battery (7mA current) Output Connection: 3.5mm Stereo Mini Jack Size: 170mm x 102mm x 65mm Weight: 176g Broadcast quality stereo X/Y condenser microphone Low-noise circuitry Integrated camera shoe mount and 1/4" and 3/8" screw holes Shock mount and windshield integrated design Made in Australia