Knowles
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| Mfr | Knowles |
| Type | Boom |
| Shape | Circular |
| Series | FB-EM |
| Package | Bulk |
| Direction | Omnidirectional |
| Impedance | 4.4 kOhms |
| S/N Ratio | - |
| Output Type | Analog |
| Sensitivity | -48dB ±3dB @ 74dB SPL |
| Termination | Wire Leads |
| Height (Max) | - |
| Port Location | Bottom |
| Voltage Range | 1.3 V ~ 10 V |
| Product Status | Obsolete |
| Frequency Range | 300 Hz ~ 4 kHz |
| Voltage - Rated | 1.3 V |
| Current - Supply | 50 µA |
| Size / Dimension | 0.748" Dia (19.00mm) |