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| Part Number | FB-EM-30342-000 | FB-FO-25383-000 | FB-BU-34023-000 | FB-DL-32509-000 | FB-BL-32508-000 |
| Manufacturer | Knowles | Knowles | Knowles | Knowles | Knowles |
| Series | FB-EM | FB-FO | - | - | - |
| Packaging | Bulk | Bulk | Bulk | Bulk | Bulk |
| Product Status | Active | Active | Active | Active | Active |
| Type | Boom | Boom | Boom | - | - |
| Output Type | Analog | - | - | - | - |
| Direction | Noise Cancelling | - | - | - | - |
| Frequency Range | 300 Hz ~ 6 kHz | - | - | - | - |
| Sensitivity | -50dB ±4dB @ 74dB SPL | - | - | - | - |
| S/N Ratio | - | - | - | - | - |
| Impedance | 4.4 kOhms | - | - | - | - |
| Voltage - Rated | 1.3 V | - | - | - | - |
| Voltage Range | 1.3 V ~ 10 V | - | - | - | - |
| Current - Supply | 50 µA | - | - | - | - |
| Port Location | Bottom, Top | - | - | - | - |
| Ratings | - | - | - | - | - |
| Termination | Wire Leads | Wire Leads | - | - | - |
| Size / Dimension | 0.748" Dia (19.00mm) | 0.340" Dia (8.64mm) | - | - | - |
| Height (Max) | 0.245" (6.22mm) | - | - | - | - |
| Shape | Circular | Circular | - | - | - |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
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