C-6000 is a professional condenser microphone for musical instruments.     
applications: acoustic projects, orchestral instruments, pianos, etc. back electrets condenser capsule with a cardioid pickup pattern to achieve accurate, uncolored reproduction of the sound, as well as exceptionally, high sensitivity effective reduction of unwanted noise and feedback slim and light  weight   copper and casting housing back electret condenser element powered either internally by DC 9V-52V phantom power. Standard XLR connector to match all kinds of audio equipment                     

Element: Back Electret Condenser                         
Polar Pattern: Uni-directiona                      
Frequency Response: 50Hz-18kHz                         
Sensitivity: -45dB±3dB (0dB=1V/Pa at 1kHz)                         
Output Impedance: 200Ω                     
Max Input SPL: 130dB (at 1kHz ≤1% T.H.D)                       
S/N Ratio: 70dB                         
Power Supply:  Phantom 9-52V                     
Connector: Standard XLR