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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EF-29734-033SPEAKER Z=48.5 OHMS PORT ON END Knowles |
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* | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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EF-21763-000SPEAKR 1.275 KOHM TOP PORT 122DB Knowles |
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EF | Bulk | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 1.275 kOhms | 122.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) |
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EF-21942-000SPEAKER 641OHM TOP PORT 122DB Knowles |
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EF | Bulk | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 641 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-23168-000SPEAKER 160OHM TOP PORT 118DB Knowles |
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EF | Tray | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 160 Ohms | 118.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) |
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EF-26333-000SPEAKER 105OHM RECT Knowles |
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EF | Bulk | Active | Magnetic | General Purpose | 200 Hz ~ 6.3 kHz | - | 105 Ohms | - | - | - | - | - | - | Rectangular | - | - | - | - | Solder Pads | - |
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EF-26665-000SPEAKER 536OHM TOP PORT 122DB Knowles |
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EF | Bulk | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 536 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-26714-000SPEAKER 150OHM TOP PORT 122DB Knowles |
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EF | Bulk | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 150 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-26868-000SPEAKER 110OHM 126.5DB RECT Knowles |
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EF | Bulk | Active | Magnetic | General Purpose | 200 Hz ~ 6.3 kHz | - | 110 Ohms | 126.50 | - | - | - | - | - | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) |
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EF-27505-000SPEAKER 636OHM TOP PORT 122DB Knowles |
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EF | Bulk | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 636 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-27534-000SPEAKER 110OHM TOP PORT 122DB Knowles |
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![]() Datasheet |
EF | Bulk | Active | Magnetic | Receiver | 200 Hz ~ 6.3 kHz | - | 110 Ohms | 122.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) |