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The BK-21615-033 is a speaker manufactured by Knowles. It features an impedance of 160 ohms and includes a side port on the end.
Verify the specific acoustic performance characteristics against your system requirements, as detailed datasheets are not provided in the source material. Confirm that the 160-ohm impedance matches your amplifier or driver circuit capabilities to ensure proper operation. Ensure the side port orientation fits within your device enclosure constraints.
Select this component when a high-impedance (160 ohm) speaker is required for the application. The side port design may influence placement within the housing. Verify compatibility with the driving electronics before finalizing the selection.
This part belongs to the Knowles speaker product line. It is distinct from Knowles ceramic capacitors such as the 2221X753M500N or 0603X121K500NT found in the same search results. It is an electromechanical audio transducer rather than a passive electronic component.
No public substitute part numbers are confirmed in the available data.