FED-26554-I04

Speakers Overview

The Knowles FED-26554-I04 is a balanced armature receiver designed for audio applications. It features a top port configuration and solder pad termination for board mounting. Key electrical parameters include an impedance of 510 Ohms and a resonant frequency of 4 kHz. The device delivers a sound pressure level of 102.5 dBA. Physical dimensions are 6.3 mm in length, 4.29 mm in width, and 3 mm in depth.

Speakers Feature Summary

• Balanced armature transducer technology
• Top port acoustic design
• Solder pad surface mount termination

Speakers Applications

• Hearing aids
• Earworn hearing devices
• In-ear monitors

Speakers Procurement Notes

Verify the specific suffix against official documentation to confirm exact acoustic tuning and mechanical tolerances. Ensure compatibility with existing PCB footprints and acoustic chambers. Confirm RoHS compliance status through current manufacturer declarations before integration into regulated products.

Speakers Selection Notes

Select this component when high sensitivity and compact form factors are required for wearable audio. The 510 Ohm impedance suits specific driver circuits. Evaluate the top port orientation relative to the user's ear canal for optimal acoustic coupling and noise isolation performance.

Speakers Part Context

This part belongs to the ED/FED series of balanced armature receivers from Knowles. These components are engineered for high-fidelity audio reproduction in space-constrained environments. The series is widely utilized in professional and consumer hearing assistance devices requiring precise acoustic output.

Speakers Replacement Considerations

Direct substitutes require matching impedance, frequency response, and physical dimensions. Verify equivalent models within the same family or from other manufacturers offering compatible balanced armature specifications.