SR-31843-000

Overview

The Knowles SR-31843-000 is a balanced armature receiver speaker designed for compact audio applications. It features a 46 Ohm impedance and operates within a frequency range of 200 Hz to 8.9 kHz. The device delivers a sound pressure level of 105 dB and utilizes a top round port configuration. Constructed with magnetic technology, this component is suitable for low-power listening environments requiring high fidelity.

Feature Summary

• Balanced armature technology for superior fidelity
• Compact lightweight design for low-power use
• Top round port configuration

Applications

• Compact listening devices
• Low-power audio systems
• High power output applications in small form factors

Procurement Notes

Verify the current product status as sources indicate it may be obsolete. Confirm technical specifications against the official datasheet before integration. Ensure compatibility with existing circuit designs regarding impedance and frequency response requirements.

Selection Notes

Select this component for applications requiring high treble performance in a small package. Consider the 46 Ohm impedance and 105 dB sensitivity when designing amplifier stages. Evaluate the 200 Hz to 8.9 kHz frequency range against specific audio reproduction needs.

Part Context

This part belongs to the Knowles speakers category, specifically mini sirens and receivers. It is an electromagnetic type component often used in portable electronics where space and power consumption are critical constraints.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify availability of alternative models from the same manufacturer if this unit is obsolete.