| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|  | SR-32453-000SPEAKER 46OHM TOP PORT 105DB Knowles | 3,387 |  |   Datasheet | SR | Tray | Active | Magnetic | Receiver, Balanced Armature | 20 Hz ~ 8.8 kHz | - | 46 Ohms | 105.00 | - | Sound Pressure Level (SPL) | - | - | Top | Round | - | - | - | - | Solder Pads | 0.252" Dia (6.40mm) | 
|  | MR-23333-000SPEAKER 21OHM TOP PORT 103DB Knowles | 713 |  |   Datasheet | MR | Bulk | Active | Magnetic | Receiver, Balanced Armature | 300 Hz ~ 3.5 kHz | 300Hz | 21 Ohms | 103.00 | - | Sensitivity | - | - | Top | Round | - | - | Waterproof | - | Wire Leads | 0.871" Dia (22.12mm) | 
|   | RQU-35066-000RECEIVER Knowles | 2,341 |  |   Datasheet | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | GV-32830-000SPEAKR 28.125OHM TOP DL 113.25DB Knowles | 1,232 |  |   Datasheet | GV | Tray | Active | Magnetic | Receiver, Balanced Armature | 70 Hz ~ 12.5 kHz | - | 28.125 Ohms | 113.25 | - | Sound Pressure Level (SPL) | - | - | Top, Dual Port | Rectangular | - | - | - | - | Solder Pads | 0.310" L x 0.220" W (7.87mm x 5.59mm) | 
|   | ED-23619-000SPEAKER 10.2OHM TOP PORT 106DB Knowles | 214 |  |   Datasheet | ED | Bulk | Active | Magnetic | Receiver | 200 Hz ~ 5 kHz | - | 10.2 Ohms | 106.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.248" L x 0.169" W (6.30mm x 4.29mm) | 
|   | WBFK-30095-000SPEAKER 13.8OHM TOP PORT 97DB Knowles | 800 |  |   Datasheet | WBFK | Tray | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 7.4 kHz | - | 13.8 Ohms | 97.00 | 1mW | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.203" L x 0.138" W (5.16mm x 3.51mm) | 
|   | BK-28507-000SPEAKER 13.3OHM SIDE PORT Knowles | 140 |  | - | BK | Bulk | 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) | 
|   | TWFK-30017-000SPEAKER 43OHM TOP PORT 95DB Knowles | 4,413 |  |   Datasheet | TWFK | Tray | Active | Magnetic | Receiver, Balanced Armature | 200 Hz ~ 6.5 kHz | - | 43 Ohms | 95.00 | - | Sound Pressure Level (SPL) | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.197" L x 0.108" W (5.00mm x 2.73mm) | 
|   | GD30-31488-000SPEAKER 281OHM TOP PORT 100DB Knowles | 100 |  |   Datasheet | GD30 | Bulk | Active | Magnetic | Receiver, Balanced Armature | 100 Hz ~ 6.7 kHz | - | 281 Ohms | 100.00 | - | Sound Pressure Level (SPL) | - | 10 mW | Top | Rectangular | - | - | - | - | Solder Pads | 0.240" L x 0.126" W (6.10mm x 3.20mm) | 
|   | HODTEC-31230-000SPEAKER TOP PORT 120DB Knowles | 3,491 |  | - | - | Tray | Active | Magnetic | Receiver, Balanced Armature | 100 Hz ~ 7 kHz | - | - | 120.00 | - | - | - | - | Top | - | - | - | - | - | - | - |