The C520 professional head-worn condenser microphone with maximum dynamic range for perfect vocal sound. An ideal choice for frontmen, singing keyboardists, drummers, guitarists and dancing performers needing a hands-free microphone. The moisture shield prevents perspiration from penetrating into the transducer element, ensuring a high degree of humidity protection for the microphone.  The C520 provides a transducer shock mount to reduce body noise to a minimum. Its cardioid polar pattern effectively rejects unwanted ambient noise. The microphone arm mounts on either the left or the right side of the headband. TECHNICAL SPECIFICATION: General Audio frequency bandwidth 60 to 20000 Hz Equivalent noise level 31 dB-A Sensitivity 5 mV/Pa Signal to Noise 63 dB-A Electrical impedance 200 Ohms Recommended load impedance 2000 Ohms Powering Interface Voltage 9 to 52 V Current 2 mA Audio Output Type Mini XLR Gender Female Contacts 3-pin Design Finish matte black Dimensions / Weight Length 195 mm Height 195 mm Net Weight 26 g