ED-21932-000

Speakers Overview

The ED-21932-000 is a balanced armature receiver manufactured by Knowles. It features a top port location and rectangular form factor with solder pad termination style. The component operates within a frequency range of 200 Hz to 5 kHz. Key electrical specifications include an impedance of 725 Ohms and a sound pressure level of 104 dBA. The physical dimensions are defined by a maximum seated height of 6.3 mm (0.248 in).

Speakers Feature Summary

• Balanced armature transducer technology for high-fidelity audio reproduction.
• Top-port design optimized for specific acoustic enclosure configurations.
• Solder pad termination facilitates surface-mount assembly processes.

Speakers Applications

• Hearing aid devices requiring compact receivers.
• Medical diagnostic equipment utilizing precise audio signaling.
• Industrial communication headsets demanding high durability.

Speakers Procurement Notes

Verify the exact part number suffix against official manufacturer documentation to ensure correct acoustic and electrical characteristics. Confirm package type and termination style match the target PCB layout requirements. Cross-reference datasheet revisions to validate current manufacturing status and compliance certifications before finalizing procurement orders.

Speakers Selection Notes

Select this component when a balanced armature architecture is required for miniaturized audio applications. Ensure the 725 Ohm impedance aligns with the driving circuit's output capabilities. Verify that the 200 Hz to 5 kHz frequency response meets the specific audio bandwidth needs of the end product without requiring additional equalization.

Speakers Part Context

This model belongs to Knowles' portfolio of precision audio transducers. Balanced armature speakers are distinct from dynamic drivers, offering higher efficiency and smaller size. They are commonly integrated into wearable electronics and medical devices where space constraints and audio clarity are critical design parameters.

Speakers Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify mechanical footprint compatibility and acoustic performance equivalence before replacing the original component in existing designs.