| 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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                    GD-31318-000SPEAKER SMD Knowles  |  
                0 | 
                
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                       Datasheet  | 	
                
                GD | Tray | Active | - | General Purpose | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    PHF-23854-000SPEAKER 155OHM TOP PORT 110DB Knowles  |  
                0 | 
                
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                     -  | 	
                
                PHF | Tray | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 6 kHz | - | 155 Ohms | 110.00 | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
                 
                 
                
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                    PHF-23851-000SPEAKER 56OHM TOP PORT 110DB Knowles  |  
                0 | 
                
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                     -  | 	
                
                PHF | Tray | Active | Magnetic | General Purpose | 200 Hz ~ 6 kHz | - | 56 Ohms | 110.00 | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
                 
                 
                
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                    PHF-23852-000SPEAKER 77OHM TOP PORT 110DB Knowles  |  
                0 | 
                
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                     -  | 	
                
                PHF | Tray | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 6 kHz | - | 77 Ohms | 110.00 | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
                 
                 
                
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                    PHF-23853-000SPEAKER 95OHM TOP PORT 110DB Knowles  |  
                0 | 
                
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                     -  | 	
                
                PHF | Tray | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 6 kHz | - | 95 Ohms | 110.00 | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
                 
                 
                
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                    PHF-23858-000SPEAKER SMD Knowles  |  
                0 | 
                
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                     -  | 	
                
                PHF | Tray | Active | - | General Purpose | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    TWFK-23991-000SPEAKER SMD Knowles  |  
                0 | 
                
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                     -  | 	
                
                TWFK | Tray | Active | - | Receiver, Balanced Armature | - | - | - | - | - | Sound Pressure Level (SPL) | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    DBK-31042-000SPEAKER Knowles  |  
                0 | 
                
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                     -  | 	
                
                - | Tray | Active | - | General Purpose | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
                 
                 
                
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                    SWFK-32255-000SPEAKER 7OHM TOP PORT 96.5DB Knowles  |  
                0 | 
                
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                       Datasheet  | 	
                
                SWFK | Bulk | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 7.7 kHz | - | 7 Ohms | 96.50 | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.197" L x 0.108" W (5.00mm x 2.73mm) | 
                 
                 
                
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                    TWFK-33527-000RECEIVER Knowles  |  
                0 | 
                
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                     -  | 	
                
                - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |