GR-31502-000

Speakers Overview

The Knowles GR-31502-000 is a dual balanced armature receiver designed for high-fidelity audio applications. It features a nominal impedance of 170 Ohms and operates within a frequency range of 100 Hz to 5.58 kHz. The device utilizes a side port configuration and delivers a sensitivity of 103 dB. Constructed with a rectangular form factor, this component is engineered for integration into compact electronic devices requiring premium audio output capabilities.

Speakers Feature Summary

• Dual balanced armature architecture for enhanced audio performance
• Side port design for optimized acoustic coupling
• Rectangular physical profile suitable for space-constrained layouts

Speakers Applications

• Mobile communication handsets
• Wireless headsets and earpieces
• Portable audio playback devices

Speakers Procurement Notes

Verify the specific revision level and packaging configuration directly with the manufacturer or authorized distributors before ordering. Ensure that the mechanical outline drawing matches the target PCB footprint and acoustic enclosure requirements. Confirm compliance with current environmental regulations applicable to the destination market.

Speakers Selection Notes

Select this component when a dual balanced armature solution is required for superior sound quality in small form factors. Consider the 170 Ohm impedance match with the driving circuitry and verify that the 103 dB sensitivity aligns with the system's power budget. Evaluate the side port orientation against the device's acoustic housing design constraints.

Speakers Part Context

This receiver belongs to the GR series of subminiature balanced armature speakers from Knowles Electronics. These components are part of a broader portfolio focused on delivering premium audio performance in extremely compact packages. The series is widely utilized in consumer electronics where size, weight, and audio fidelity are critical design parameters.

Speakers Replacement Considerations

Consult official Knowles documentation for direct cross-reference part numbers. Verify mechanical dimensions, impedance, and sensitivity specifications carefully when evaluating alternative suppliers or generic equivalents to ensure functional compatibility.