ED-21744-000

Speakers Overview

The Knowles ED-21744-000 is a balanced armature receiver speaker designed for high-fidelity audio reproduction in space-constrained applications. It features a rectangular form factor with top porting and operates within a frequency range of 200 Hz to 5 kHz. The component exhibits an impedance of 3.05 kOhms and delivers a sound pressure level of 104 dBA. Its magnetic technology supports clear audio experiences by reducing distortion and feedback, making it suitable for hearing aids and similar medical or consumer electronics requiring precise acoustic performance.

Speakers Feature Summary

• Balanced armature technology for high-fidelity sound reproduction
• Top port configuration for directional audio output
• Designed to reduce distortion and feedback for clearer audio
• Compact rectangular package suitable for space-constrained devices

Speakers Applications

• Hearing aids
• Medical audio devices
• Consumer electronics with limited internal space

Speakers Procurement Notes

Verify the specific impedance value of 3.05 kOhms against circuit requirements. Confirm the top port orientation matches the acoustic design. Ensure the frequency response of 200 Hz to 5 kHz aligns with the target application's audio needs. Check RoHS compliance status through official documentation before integration.

Speakers Selection Notes

Select this component when high fidelity and low distortion are critical in a small form factor. The 3.05 kOhm impedance requires compatible driver circuits. The top port design influences acoustic placement. Consider the 200 Hz to 5 kHz bandwidth for voice-centric applications rather than full-range music reproduction.

Speakers Part Context

This part belongs to Knowles' line of balanced armature receivers. These components are engineered for precision audio in miniaturized devices. The ED series typically targets hearing aid and medical markets where size and acoustic clarity are paramount. The specific model integrates magnetic technology for efficient sound transduction.

Speakers Replacement Considerations

No public confirmed substitute part numbers are available in the provided data. Verify compatibility with existing acoustic chambers and driver circuits if considering alternatives.