WBHC-23910-000

Overview

The Knowles WBHC-23910-000 is a wideband balanced armature speaker designed for compact audio applications. It features a rectangular top-port configuration with an impedance of 145 Ohms and a sensitivity of 95 dB. The operational frequency range spans from 100 Hz to 5.85 kHz, providing high-fidelity reproduction within a lightweight form factor. This component utilizes balanced armature technology to deliver superior treble performance and high power output efficiency in a small footprint.

Feature Summary

• Balanced armature technology ensures high efficiency and stability
• Wideband frequency response supports high-fidelity audio reproduction
• Top-port design facilitates compact listening experiences
• Lightweight construction suitable for space-constrained devices

Applications

• Compact portable audio receivers
• High-fidelity communication headsets
• Specialty transducer modules requiring wideband response

Procurement Notes

Verify the specific datasheet version against the manufacturer's official documentation to confirm mechanical dimensions and electrical tolerances. Ensure compatibility with existing acoustic chambers due to the top-port design. Cross-reference the 145 Ohm impedance requirement with the driving circuit specifications to prevent mismatch issues during integration.

Selection Notes

Select this component when wideband fidelity and high efficiency are prioritized over low-frequency extension. The 145 Ohm impedance requires appropriate driver matching. Consider the rectangular package constraints for enclosure design. Evaluate the 95 dB sensitivity against available drive voltage levels to ensure adequate sound pressure without excessive power consumption.

Part Context

This model belongs to Knowles' subminiature speaker line, leveraging proprietary balanced armature technology. It is engineered for applications demanding high reliability and stability in small form factors. The product represents a specialized solution for premium audio segments where size and weight are critical constraints alongside acoustic performance.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify mechanical fit and electrical parameters before considering alternative components from other manufacturers.