| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Packaging | Product Status | Technology | Type | Frequency Range | Frequency - Self Resonant | Impedance | Efficiency - dBA | Efficiency - Testing | Efficiency - Type | Power - Rated | Power - Max | Port Location | Shape | Material - Cone | Material - Magnet | Ingress Protection | Ratings | Termination | Size / Dimension | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                 
                
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                    BK-21968-000SPEAKER 730OHM TOP PORT 126DB Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                BK | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 3.8 kHz | - | 730 Ohms | 126.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
                 
                 
                
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                    BK-23110-017SPEAKER 1.5 KOHM SIDE PORT 118DB Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                BK | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | - | - | 1.5 kOhms | 118.00 | - | - | - | - | Side | Rectangular | - | - | - | - | Solder Pads | - | 
                 
                 
                
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                    CM-23152-000SPEAKER 150OHM TOP PORT 107DB Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                CM | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | 100 Hz ~ 5 kHz | - | 150 Ohms | 107.00 | - | Sensitivity | - | - | Top | Round | - | - | - | - | Flex Contacts | 0.651" Dia (16.54mm) | 
                 
                 
                
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                    ED-21912-A38SPEAKER Z=196 OHMS PORT ON END Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                * | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    ED-23147-105SPEAKER Z=25.4 OHMS PORT ON END Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                * | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    ED-23162-A03SPEAKER Z=25 OHMS PORT ON END Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                * | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    EF-21943-033SPEAKER Z=92.5 OHMS PORT ON END Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    BK-21612-052SPEAKER Z=500OHMS SS PORT ON END Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                * | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    BK-21615-033SPEAKER Z=160OHMS SS PORT ON END Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                * | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    FEF-27351-I04SPEAKER RECVR FERROFLUID DAMPED Knowles  |  
                0 | 
                
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                  Datasheet  | 
                
                * | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |