FH-26664-000

Speakers Overview

The Knowles FH-26664-000 is a balanced armature receiver speaker designed for audio applications. It features a nominal impedance of 790 Ohms and operates at a resonant frequency of approximately 750 Hz to 790 Hz. The device utilizes a top or side port configuration depending on the specific variant documentation, delivering sound pressure levels ranging from 97.5 dB to 100.5 dB. It is supplied in bulk packaging and is constructed for integration into compact electronic devices requiring high-fidelity audio output.

Speakers Feature Summary

• Balanced armature transducer technology for precise audio reproduction
• High impedance design suitable for specific driver circuits
• Compact form factor optimized for portable electronics
• Ported acoustic design for directed sound projection

Speakers Applications

• Mobile communication handsets
• Wireless earpieces and headsets
• Portable medical diagnostic devices
• Smart home voice assistants

Speakers Procurement Notes

Verify the exact acoustic port orientation (top vs. side) and specific SPL rating required for your design, as distributor listings may vary between 97.5 dB and 100.5 dB variants. Confirm mechanical dimensions against your enclosure constraints. Ensure compatibility with your audio amplifier's output impedance matching requirements for optimal performance.

Speakers Selection Notes

Select this component when a high-impedance balanced armature speaker is required for space-constrained audio applications. Consider the specific frequency response curve and sensitivity metrics relative to your power supply constraints. Evaluate the mechanical mounting options and port directionality to ensure proper acoustic coupling within the final product housing.

Speakers Part Context

Knowles Electronics specializes in precision audio components, including microphones and speakers. The FH series represents their line of balanced armature receivers, known for reliability and consistent performance in consumer electronics. This part belongs to a broader family of acoustic solutions tailored for mobile and wearable technologies.

Speakers Replacement Considerations

Consult official Knowles documentation for direct cross-references. Potential substitutes include other FH-series models with similar impedance and size profiles, such as FH-23371-000, provided acoustic specifications match the design requirements.