| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Packaging | Series | ProductStatus | Technology | Type | FrequencyRange | Frequency-SelfResonant | Impedance | Efficiency-dBA | Efficiency-Testing | Efficiency-Type | Power-Rated | Power-Max | PortLocation | Shape | Material-Cone | Material-Magnet | IngressProtection | Ratings | Termination | Size/Dimension | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
                 
                   | 
				
                    WBFK-23990-000SPEAKER 57OHM SIDE PORT RECT  |  
                3,010 | - | 
                
                     | 
                   
                
                  
                    
                 
                     Datasheet  | 
				 
                Bulk | WBFK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 7.6 kHz | - | 57 Ohms | 91.00 | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.197 L x 0.108 W (5.00mm x 2.73mm) | 
                 
                   
                
                 | 
				
                    WBFK-32258-000RECEIVER AUDIO  |  
                2,144 | - | 
                
                     | 
                   
                   Tray | WBFK | Active | Magnetic | Receiver, Balanced Armature | - | - | - | - | - | Sound Pressure Level (SPL) | - | - | - | - | - | - | - | - | - | - | |
                 
                   
                
                 | 
				
                    ED-31305-163SPEAKR 91.8OHM SIDE PORT 106.5DB  |  
                3,691 | - | 
                
                     | 
                   
                
                  
                    
                
                     Datasheet  | 
				 
                Bulk | ED | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 7.6 kHz | - | 91.8 Ohms | 106.50 | - | - | - | - | Side | Rectangular | - | - | - | - | Solder Pads | - | 
                 
                   
                
                 | 
				
                    BK-28507-000SPEAKER 13.3OHM SIDE PORT RECT  |  
                2,024 | - | 
                
                     | 
                   
                
                  
                    
                
                     Datasheet  | 
				 
                Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | 100 Hz ~ 6 kHz | - | 13.3 Ohms | - | - | - | - | - | Side | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
                 
                   
                
                 | 
				
                    BK-21610-000SPEAKR 145OHM SIDE PORT 119.75DB  |  
                3,044 | - | 
                
                     | 
                   
                
                  
                    
                 
                     Datasheet  | 
				 
                Tray | BK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 4 kHz | - | 145 Ohms | 125.50 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
| 
                 
                   | 
				
                    BK-21604-000SPEAKER 6 KOHM SIDE PORT 114DB  |  
                3,150 | - | 
                
                     | 
                   
                
                  
                    
                 
                     Datasheet  | 
				 
                Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 3.8 kHz | - | 6 kOhms | 126.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
| 
                 
                   | 
				
                    BK-29725-000SPEAKER 640OHM SIDE PORT 122.5DB  |  
                2,617 | - | 
                
                     | 
                   
                
                  
                    
                
                     Datasheet  | 
				 
                Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 4 kHz | - | 285 Ohms | 118.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
| 
                 
                   | 
				
                    BK-21600-000SPEAKER 730OHM SIDE PORT 123DB  |  
                3,636 | - | 
                
                     | 
                   
                
                  
                    
                 
                     Datasheet  | 
				 
                Tray | BK | Active | 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) | 
                 
                   
                
                 | 
				
                    BK-21606-000SPEAKER 1.5 KOHM SIDE PORT 123DB  |  
                2,328 | - | 
                
                     | 
                   
                
                  
                    
                 
                     Datasheet  | 
				 
                Tray | BK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 3.8 kHz | - | 1.5 kOhms | 126.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
                 
                   
                
                 | 
				
                    BK-21613-000SPEAKER 1.2 KOHM SIDE PORT 118DB  |  
                2,734 | - | 
                
                     | 
                   
                
                  
                    
                 
                     Datasheet  | 
				 
                Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 4 kHz | - | 1.2 kOhms | 126.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
                 
                   
                
                 | 
				
                    BK-23134-000SPEAKER 730OHM SIDE PORT 118DB  |  
                2,687 | - | 
                
                     | 
                   
                
                  
                    
                 
                     Datasheet  | 
				 
                Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 4 kHz | - | 730 Ohms | 126.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
                 
                   
                
                 | 
				
                    BK-26773-000SPEAKER RECT  |  
                3,230 | - | 
                
                     | 
                   
                   Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | - | - | - | - | - | - | - | - | - | Rectangular | - | - | - | - | Solder Pads | - | |
                 
                   
                
                 | 
				
                    BK-28385-000SPEAKER RECT  |  
                2,089 | - | 
                
                     | 
                   
                   Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | - | - | - | - | - | - | - | - | - | Rectangular | - | - | - | - | Solder Pads | - | |
                 
                   
                
                 | 
				
                    BK-26833-000SPEAKER 48OHM 82DB  |  
                2,757 | - | 
                
                     | 
                   
                   Tray | BK | Active | Magnetic | Receiver, Balanced Armature | 300 Hz ~ 4.5 kHz | - | 48 Ohms | 82.00 | - | - | - | - | - | - | - | - | - | - | - | - | |
                 
                   
                
                 | 
				
                    EF-23168-P109SPEAKER 160OHM 126DB  |  
                2,299 | - | 
                
                     | 
                   
                   Tray | EF | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 6.3 kHz | - | 160 Ohms | 126.00 | - | Sensitivity | - | - | - | - | - | - | - | - | - | - | |
                 
                   
                
                 | 
				
                    EF-23168-P93SPEAKER 160OHM 126DB  |  
                3,336 | - | 
                
                     | 
                   
                   Tray | EF | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 6.3 kHz | - | 160 Ohms | 126.00 | - | Sensitivity | - | - | - | - | - | - | - | - | - | - | |
                 
                   
                
                 | 
				
                    BK-21615-000SPEAKER 1.2 KOHM SIDE PORT 118DB  |  
                3,202 | - | 
                
                     | 
                   
                
                  
                    
                
                     Datasheet  | 
				 
                Tray | BK | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 4 kHz | - | 1.2 kOhms | 126.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310 L x 0.220 W (7.87mm x 5.59mm) | 
                 
                   
                
                 | 
				
                    BK-30039-000SPEAKER RECT  |  
                3,277 | - | 
                
                     | 
                   
                   Bulk | BK | Active | Magnetic | Receiver, Balanced Armature | - | - | - | - | - | - | - | - | - | Rectangular | - | - | - | - | Solder Pads | - | |
                 
                   
                
                 | 
				
                    EF-27428-116SPEAKER Z=92.5 OHMS PORT ON SIDE  |  
                2,622 | - | 
                
                     | 
                   
                   Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
                 
                   
                
                 | 
				
                    EF-28395-055SPEAKER Z=74 OHMS PORT ON END  |  
                2,939 | - | 
                
                     | 
                   
                   Bulk | * | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |