EF-27351-000

Speakers Overview

The Knowles EF-27351-000 is a magnetic receiver speaker designed for audio signal transmission. It features an impedance of 140 Ohms and delivers a sound pressure level of 126.5 dB. The operational frequency range spans from 200 Hz to 6.3 kHz, ensuring effective performance within this bandwidth. The component utilizes a side port configuration for acoustic output. This device is engineered for applications requiring high sensitivity and reliable audio reproduction in compact electronic assemblies.

Speakers Feature Summary

• High sound pressure level output for clear audio reception
• Magnetic transducer design for efficient signal conversion
• Side port acoustic configuration for directed sound projection

Speakers Applications

• Audio receiver modules
• Communication devices
• Industrial signaling equipment

Speakers Procurement Notes

Verify the specific acoustic port orientation and impedance requirements against the target circuit design before procurement. Confirm that the operating frequency range aligns with the intended audio signal spectrum. Ensure mechanical mounting dimensions are compatible with the assembly housing. Cross-reference the manufacturer's latest datasheet for any updates regarding material compliance or manufacturing changes.

Speakers Selection Notes

Select this component when a high-sensitivity receiver with a 140 Ohm impedance is required. The 126.5 dB SPL rating makes it suitable for environments needing distinct audio clarity. Consider the 200 Hz to 6.3 kHz frequency response to ensure compatibility with the source signal bandwidth. Evaluate the side port layout for optimal acoustic coupling within the enclosure constraints.

Speakers Part Context

This part belongs to the Knowles speaker product line, specifically categorized as a magnetic receiver. It is distinct from general-purpose speakers due to its optimized frequency response and high efficiency. The series focuses on providing reliable audio output for specialized electronic applications where size and performance are critical factors.

Speakers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing drivers and power supplies if considering alternative models.