ED-21950-000

Speakers Overview

The Knowles ED-21950-000 is a balanced armature receiver speaker designed for audio applications. It features a top rectangular port and operates within a frequency range of 200 Hz to 5 kHz. The component has an impedance of 455 Ohms and delivers a sound pressure level of 106 dB.

Speakers Feature Summary

• Utilizes balanced armature magnetic technology for high efficiency and stability
• Features a top rectangular port design for acoustic output
• Constructed for reliability in compact audio receiver applications

Speakers Applications

• Hearing aids
• Medical audio devices
• Industrial communication headsets

Speakers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Knowles or authorized distributors, as regulatory certifications may vary by production batch. Confirm that the 455 Ohm impedance matches the target circuit requirements before finalizing procurement orders to ensure proper acoustic matching.

Speakers Selection Notes

Select this component when a high-efficiency, low-power balanced armature receiver is required. The 455 Ohm impedance suggests compatibility with specific driver circuits. Ensure the 200 Hz to 5 kHz frequency response aligns with the intended voice or narrowband audio application needs.

Speakers Part Context

This part belongs to the Knowles balanced armature speaker family, which leverages proprietary magnetic technology. These components are widely used in hearing aid and medical device markets due to their small form factor and consistent performance characteristics compared to dynamic drivers.

Speakers Replacement Considerations

Consult official Knowles documentation for direct cross-references. Verify mechanical footprint and electrical impedance compatibility if considering alternative balanced armature receivers from other manufacturers.