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| Part Number | CM-28421-000 |
| Datasheet | CM-28421-000 datasheet |
| Description | SPEAKER 360OHM TOP PORT 106DB |
| Manufacturer | Knowles |
| Series | CM |
| Part Status | Obsolete |
| Technology | Magnetic |
| Type | Receiver, Balanced Armature |
| Frequency Range | 100Hz ~ 5kHz |
| Frequency - Self Resonant | - |
| Impedance | 360 Ohms |
| Efficiency - dBA | 106.00 |
| Efficiency - Testing | - |
| Efficiency - Type | - |
| Power - Rated | - |
| Power - Max | - |
| Port Location | Top |
| Shape | Round |
| Material - Cone | - |
| Material - Magnet | - |
| Ingress Protection | - |
| Ratings | - |
| Termination | Flex Contacts |
| Size / Dimension | 0.651" Dia (16.54mm) |
| Height - Seated (Max) | 0.330" (8.38mm) |