Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. MICROPHONES Miniature Electret Microphone Features • Sensitivity: -38db • Impedance: >2.2k • Operating Voltage: 3V • Mounting: Solder Pad Order Now for $0.95 High-Sensitivity Miniature Electret Microphone Features • Sensitivity: -46db • Impedance: >2.2k • Operating Voltage: 3V • Mounting: Solder Pad Order Now for $0.95 Electret Microphone Features • Sensitivity: -38db • Impedance: >1.0k • Operating Voltage: 4.5V • Mounting: Solder Pad Order Now for $0.45 Electret Microphone PC Mount Features • Sensitivity: -38db • Impedance: >1.0k • Operating Voltage: 4.5V • Mounting: PC Pins Order Now for $0.50 High-Sensitivity Electret Microphone Features • Sensitivity: -50db • Impedance: >1.0k • Operating Voltage: 4.5V • Mounting: Solder Pad Order Now for $0.45 High-Sensitivity Electret Microphone PC Mount Features • Sensitivity: -50db • Impedance: >1.0k • Operating Voltage: 4.5V • Mounting: PC Pins Order Now for $0.50