| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | SR6438NWS-B79SPEAKER SMD Knowles | 4,085 |  | - | * | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | SR8850NSS-000MINI SIRENS RECEIVER Knowles | 2,472 |  |   Datasheet | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | VSR-32773-000WATERPROOF MINI SIRENS ASSEMBLY Knowles | 1,383 |  |   Datasheet | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RAB-32037-000RECEIVER Knowles | 2,501 |  |   Datasheet | RAB | Bulk | Active | - | Receiver | 200 Hz ~ 6.2 kHz | - | 124 Ohms | 101.00 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.208" L x 0.117" W (5.28mm x 2.97mm) | 
|   | RAF-32873-000RECEIVER Knowles | 3,355 |  |   Datasheet | RAF | Bulk | Active | - | Receiver | 200 Hz ~ 11 kHz | - | 50 Ohms | 106.20 | - | Sensitivity | - | - | Top | Rectangular | - | - | - | - | Solder Pads | 0.203" L x 0.117" W (5.15mm x 2.96mm) |