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ED-21744-043 is listed in the Speakers range at ChipApex. The manufacturer field lists Knowles. Its product description is SPEAKER Z=830 OHMS PORT ON END. Review the specifications below when checking this part for your BOM.
Speakers specifications for ED-21744-043
- Description：SPEAKER Z=830 OHMS PORT ON END
- Series：-
- Mfr：Knowles
- Package：Bulk
- Type：-
- Technology：-
- Impedance：-
- Power - Max：-
- Shape：-
- Termination：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Frequency - Self Resonant：-
- Efficiency - dBA：-
- Efficiency - Testing：-
- Efficiency - Type：-
- Port Location：-
- Material - Cone：-
- Material - Magnet：-
- Ingress Protection：-
- Ratings：-
- Frequency Range：-
- Power - Rated：-
Speakers datasheet and documents for ED-21744-043
Speakers Overview
The ED-21744-043 is an acoustic speaker manufactured by Knowles. It features a nominal impedance of 830 ohms and includes a port located on the end of the housing. This component is designed for audio output applications requiring specific acoustic characteristics within compact form factors.
Speakers Feature Summary
- High impedance design suitable for specific driver circuits
- End-port configuration for directed sound projection
Speakers Applications
- Hearing aid audio output
- Compact hearing protection devices
- Miniature personal audio equipment
Speakers Procurement Notes
Verify the exact part number ED-21744-043 against official Knowles documentation to ensure compatibility with existing acoustic assemblies. Confirm that the 830-ohm impedance matches the system requirements. Check for any recent product discontinuance notifications or alternative sourcing options if standard supply channels are unavailable.
Speakers Selection Notes
Select this component when a high-impedance speaker with an end-port is required for space-constrained audio applications. Ensure the driving circuit can support the 830-ohm load. Consider the physical dimensions and mounting requirements relative to the target enclosure design before finalizing the selection.
Speakers Part Context
This speaker belongs to Knowles' portfolio of acoustic components, often utilized in premium sound solutions where size and fidelity are critical. It is part of a broader range of balance armature drivers and receivers designed for specialized audio markets.
Speakers Replacement Considerations
Consult official Knowles documentation for confirmed substitute part numbers. Verify electrical impedance and mechanical fit before substituting with similar models from other manufacturers.
Explore related parts through Audio Products, all product categories, ChipApex homepage.
