ED-31305-163

Speakers Overview

The Knowles ED-31305-163 is a balanced armature receiver designed for audio applications. It features a rectangular form factor with panel mount installation and solder pad termination. Key electrical parameters include an impedance of 84 Ohms, a resonant frequency of 7.6 kHz, and a sound pressure level of 119 dBA. The physical dimensions are 6.3 mm in length, 4.29 mm in width, and 2.97 mm in depth.

Speakers Feature Summary

• Utilizes balanced armature technology for high-fidelity audio reproduction
• Engineered for compact integration within portable audio devices
• Provides high acoustic output efficiency relative to its miniature size

Speakers Applications

• True wireless stereo (TWS) earbuds
• Hearing aids and assistive listening devices
• Miniature wearable audio equipment

Speakers Procurement Notes

Verify the specific suffix code against official manufacturer documentation to ensure correct acoustic tuning and impedance specifications. Confirm RoHS compliance status through current datasheets. Validate that the panel mount style aligns with your enclosure design requirements before finalizing procurement orders.

Speakers Selection Notes

Select this component when high sensitivity and compact dimensions are critical. The 84 Ohm impedance requires appropriate amplifier matching. Consider the 7.6 kHz resonant frequency for target frequency response curves. Ensure mechanical clearance accommodates the 6.3 x 4.29 mm footprint.

Speakers Part Context

This part belongs to the ED/FED series from Knowles, which specializes in miniaturized audio transducers. The series supports various hearing health and specialty audio solutions. It represents a standard offering in their balanced armature portfolio for consumer and medical electronics.

Speakers Replacement Considerations

Consult official substitution guides for compatible models within the ED series. Verify dimensional compatibility and electrical parameter alignment for any alternative balanced armature drivers.