| 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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                    ED-23012-000SPEAKER 760OHM TOP PORT 107DB Knowles  |  
                2,763 | 
                
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                       Datasheet  | 	
                
                ED | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 5 kHz | - | 760 Ohms | 107.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.248" L x 0.169" W (6.30mm x 4.29mm) | 
                 
                     
                 
                
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                    ED-23313-000SPEAKER 745OHM TOP PORT 107DB Knowles  |  
                4,212 | 
                
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                       Datasheet  | 	
                
                ED | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 5 kHz | - | 745 Ohms | 107.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.248" L x 0.169" W (6.30mm x 4.29mm) | 
                 
                     
                 
                
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                    ED-26723-000SPEAKR 1.45 KOHM SIDE PORT 104DB Knowles  |  
                3,774 | 
                
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                ED | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | - | - | 1.45 kOhms | 104.00 | - | - | - | - | Side | Rectangular | - | - | - | - | Solder Pads | 0.248" L x 0.169" W (6.30mm x 4.29mm) | 
                 
                     
                 
                
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                    ED-26876-000SPEAKER 48OHM SIDE PORT 102.5DB Knowles  |  
                1,232 | 
                
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                ED | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | 25 Hz ~ 35 kHz | - | 48 Ohms | 102.50 | - | - | - | - | Side | Rectangular | - | - | - | - | Solder Pads | - | 
                 
                     
                 
                
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                    BK-21612-B48SPEAKER 2.2 KOHM 123DB RECT Knowles  |  
                1,838 | 
                
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                BK | Tray | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 3.5 kHz | - | 2.2 kOhms | 123.00 | - | - | - | - | - | Rectangular | - | - | - | - | Solder Pads | - | 
                 
                     
                 
                
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                    FEF-27351-P16SPEAKER 140OHM TOP PORT 124DB Knowles  |  
                3,969 | 
                
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                       Datasheet  | 	
                
                FEF | Tray | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 140 Ohms | 124.00 | - | - | - | - | Top | Rectangular | - | Ferrite | - | - | Wire Leads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
                 
                     
                 
                
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                    EF-27351-000SPEAKER 140OHM TOP PORT 122DB Knowles  |  
                1,354 | 
                
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                       Datasheet  | 	
                
                EF | Bulk | Obsolete | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 140 Ohms | 122.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
                 
                     
                 
                
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                    EF-29615-000SPEAKER 345OHM TOP PORT 122DB Knowles  |  
                1,864 | 
                
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                       Datasheet  | 	
                
                EF | Bulk | Obsolete | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 345 Ohms | 122.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
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                    CI-26697-000SPEAKER 47OHM TOP PORT 131.5DB Knowles  |  
                2,712 | 
                
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                       Datasheet  | 	
                
                CI | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 5.5 kHz | - | 47 Ohms | 131.50 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.373" L x 0.283" W (9.47mm x 7.18mm) | 
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                    CI-28226-000SPEAKER 250OHM SIDE PORT Knowles  |  
                3,776 | 
                
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                CI | Bulk | Obsolete | Magnetic | Receiver, Balanced Armature | - | - | 250 Ohms | - | - | - | - | - | Side | Rectangular | - | - | - | - | Solder Pads | - |