FED-30048-I04

Speakers Overview

The Knowles FED-30048-I04 is a balanced armature receiver with dimensions of 6.32 x 4.31 x 2.97 mm. It features a frequency response range of 200 Hz to 4.4 kHz and an impedance of 29 Ohms. The device offers a sound pressure level efficiency of 103 dBA and operates within a temperature range of -40°C to 85°C.

Speakers Feature Summary

• Balanced armature transducer architecture
• Rectangular top acoustic port design
• Wide operating temperature capability

Speakers Applications

• Hearing aid receivers
• In-ear monitoring systems
• Compact audio devices

Speakers Procurement Notes

Verify the specific suffix I04 against official datasheets to confirm acoustic tuning and terminal configuration. Ensure compatibility with existing PCB footprints and acoustic chambers. Confirm availability through authorized distributors as stock levels fluctuate.

Speakers Selection Notes

Select this component for applications requiring high sensitivity in a minimal footprint. The 29 Ohm impedance suits standard driver circuits. Evaluate the 200 Hz to 4.4 kHz bandwidth against target audio requirements before integration.

Speakers Part Context

Knowles Electronics pioneered balanced armature technology, widely used in hearing aids and premium audio. This model represents their compact receiver series, designed for high-fidelity sound reproduction in space-constrained portable electronics and medical devices.

Speakers Replacement Considerations

Consult official substitution guides for compatible Knowles models with matching dimensions and electrical characteristics. Verify acoustic performance equivalence before replacing.