CI-28267-000

Overview

The Knowles CI-28267-000 is a balanced armature receiver speaker designed for high-fidelity audio reproduction in space-constrained applications. It features a side rectangular port configuration and operates with an impedance of 174 Ohms. The device delivers a sound pressure level of 131.5 dB and supports a frequency response range from 200 Hz to 5.5 kHz.

Feature Summary

• Enables high-fidelity sound reproduction in compact form factors
• Reduces distortion and feedback for clearer audio experiences
• Supports wide range of hearing aid designs

Applications

• Space-constrained hearing aids
• High-fidelity audio devices requiring reduced distortion
• Applications demanding clear audio experiences with minimal feedback

Procurement Notes

Verify the specific acoustic parameters, including the 174 Ohm impedance and 131.5 dB sensitivity, against the official Knowles datasheet before integration. Confirm that the side rectangular port design aligns with your enclosure constraints. Ensure the component meets all relevant regulatory standards for your target market.

Selection Notes

Select this component when high fidelity and low distortion are critical within tight spatial limits. The 174 Ohm impedance requires matching with compatible driver circuits. Consider the 200 Hz to 5.5 kHz frequency range suitability for the intended audio application profile.

Part Context

This balanced armature receiver belongs to Knowles' CI series, specialized for hearing aid and compact audio solutions. It addresses the need for miniaturization without compromising audio quality, offering a solution for modern wearable audio technology where size and performance are equally prioritized.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult Knowles directly for equivalent or alternative components if this specific model is unavailable.