Our Products ELECTRET CONDENSER MICROPHONE UNITS ECM-27 ECM-27 DIRECTIONALITY Omni Directional SENSITIVITY [0db=1V/μbar.1kHz] VCC=4.5V, RL=1KΩ A:-56± 3dBB:-60± 3dBC:-64± 3dBD:-68± 3dBE:-72± 3dB OUTPUT IMPEDANCE Low FREQUENCY 50Hz~ 13KHz RANGE OF OPERATING VOLTAGE 1.5V to 10VStandard Voltage: 4.5V CURRENT DRAIN <0.5mA Max. S/N RATIO 40dB or more MAXIMUM INPUT SOUND PRESSURE 120dB SPL More... Please write down your comment on this product, and click Add to Inquiry List for inquiry Add to Inquiry List Review Inquiry List Back