CX-500F/MA-500 Condenser Instrument...
Made in Shanghai
Type: Omni-directional Condenser
Frequency Response of CX-500F: 20 to 20,000 Hz
Sensitivity (at 1,000Hz): -58±3dB*(1.25mV)*0dB=1V/μbar
Phantom Power: 12 to 48V
Frequency Response of MA-500: 30 to 20,000 Hz