Knowles
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| Mfr | Knowles |
| Type | Receiver, Balanced Armature |
| Shape | - |
| Series | EF |
| Package | Tray |
| Ratings | - |
| Impedance | 160 Ohms |
| Technology | Magnetic |
| Termination | - |
| Port Location | - |
| Product Status | Active |
| Frequency Range | 200 Hz ~ 6.3 kHz |
| Material - Cone | - |
| Efficiency - dBA | 126.00 |
| Size / Dimension | - |
| Efficiency - Type | Sensitivity |
| Material - Magnet | - |
| Ingress Protection | - |
| Efficiency - Testing | - |
| Height - Seated (Max) | - |
| Frequency - Self Resonant | - |