RAB-32257-000

Speakers Overview

The Knowles RAB-32257-000 is a balanced armature receiver designed for in-ear monitoring applications. It features a rectangular top port configuration with a side port design. The component operates within a frequency range of 20 Hz to 11 kHz and provides a sensitivity of 105.5 dB. The nominal impedance is specified at 48 Ohms. These electrical characteristics support high-fidelity audio reproduction in compact, lightweight form factors suitable for low-power portable devices.

Speakers Feature Summary

• Balanced armature driver technology for superior fidelity
• Compact and lightweight physical construction
• High power output capability relative to size
• Optimized performance for warm bass and treble

Speakers Applications

• In-ear monitors
• Wireless earbuds
• Open-ear clip designs

Speakers Procurement Notes

Verify the specific datasheet version and ordering suffixes directly with Knowles or authorized distributors. Confirm mechanical dimensions and acoustic parameters against current official documentation before integration. Ensure compatibility with existing acoustic chambers and nozzle designs. Check for any recent updates to material specifications or manufacturing locations that may affect performance consistency.

Speakers Selection Notes

Select this component when high sensitivity and wide frequency response are required in a miniature package. The 48 Ohm impedance suits standard audio drivers. Consider the side port orientation for acoustic chamber integration. Evaluate thermal and mechanical constraints for final assembly. Compare against other balanced armature models for specific bass or treble tuning requirements.

Speakers Part Context

This part belongs to Knowles' line of balanced armature receivers, widely used in premium audio equipment. The RAB series focuses on delivering professional-grade sound quality in small form factors. These components are integral to modern hearing protection and communication devices requiring precise audio reproduction.

Speakers Replacement Considerations

Consult official substitution lists from Knowles for direct equivalents. Verify impedance, sensitivity, and dimensional compatibility before replacing. Cross-reference with similar RAB series models if exact matches are unavailable.