EM-23979-D52

Microphones Overview

The Knowles EM-23979-D52 is a matched pair of side-port microphones designed for audio applications. It features an omnidirectional polar pattern and utilizes screw terminals for electrical connection. The component has a rectangular shape with a maximum height of 0.087 inches (2.20mm). This product belongs to the EM series and is currently in an obsolete status, having been discontinued by the manufacturer.

Microphones Feature Summary

• Omnidirectional acoustic response
• Side port configuration
• Screw terminal termination

Microphones Applications

• Audio recording equipment
• Communication devices
• Specialty audio solutions

Microphones Procurement Notes

This component is officially discontinued and no longer in production. Procurement is restricted to existing stock or secondary market sources. Verify authenticity through authorized channels as supply chain availability is limited. Check for end-of-life notifications and potential obsolescence risks before integration into new designs.

Microphones Selection Notes

Designers should consider alternative active microphone solutions due to the discontinued status of this part. Evaluate current available products from the manufacturer's portfolio that offer similar form factors or performance characteristics. Ensure replacement components meet required sensitivity and noise specifications for the intended application.

Microphones Part Context

The EM-23979-D52 is part of the EM series of microphones manufactured by Knowles. This series includes balanced armature speakers and specialty audio solutions. The specific model represents a matched pair configuration, indicating two units are provided with calibrated matching for stereo or differential applications.

Microphones Replacement Considerations

No direct public substitute part numbers are confirmed for this discontinued item. Designers must evaluate functional equivalents based on acoustic requirements and interface compatibility.