AS05004MR-4-LWC45

Overview

The AS05004MR-4-LWC45 is an electromagnetic speaker manufactured by PUI Audio, Inc. It features a round shape with bare mount installation and solder pad termination. The unit has a power rating of 3 W and an impedance of 4 Ohms. Its self-resonant frequency is 530 Hz, and it delivers a sound pressure level of 103 dBA. The diaphragm material is Mylar, and the magnet is Neodymium Iron Boron (NdFeB). Physical dimensions are approximately 50 mm in diameter and 11.8 mm in depth.

Feature Summary

• High acoustic output efficiency with 103 dBA sensitivity
• Compact round design suitable for space-constrained enclosures
• Utilizes NdFeB magnetic structure for performance density

Applications

• Consumer electronics audio output
• Industrial control panel indicators
• Medical device alert systems

Procurement Notes

Verify the specific suffix LWC45 against official PUI Audio documentation to confirm terminal configuration and mounting requirements. Ensure the 4 Ohm impedance matches the driving circuit capabilities. Confirm RoHS compliance status through the manufacturer's current datasheet before finalizing procurement specifications.

Selection Notes

Select this component when high sound pressure level is required from a small form factor. The 4 Ohm impedance suits low-voltage driver circuits. The bare mount style requires careful mechanical integration into the host enclosure. Verify that the 530 Hz resonant frequency aligns with the target application's acoustic needs.

Part Context

This model belongs to the PUI Audio AS series of electromagnetic speakers. The series offers various impedances and power ratings. The AS05004MR-4-LWC45 specifically targets applications needing high volume in a compact 50 mm diameter package. It represents a standard solution for general-purpose audio signaling.

FAQ

What is the self-resonant frequency of the AS05004MR-4-LWC45?

The self-resonant frequency is 530 Hz.

What type of magnet is used in this speaker?

It uses a Neodymium Iron Boron (NdFeB) magnet.