AS04004PR-R

Overview

The AS04004PR-R is a rectangular electromagnetic speaker manufactured by PUI Audio, Inc. It features a paper cone and Neodymium Iron Boron (NdFeB) magnet assembly. The unit has a nominal impedance of 4 Ohms and a power rating of 2 W. Key acoustic parameters include a resonant frequency of 370 Hz and a sound pressure level of 86 dBA. Physical dimensions are 40 mm in length, 28.4 mm in width, and 13 mm in depth. It utilizes solder eyelet termination for board mounting and operates within a temperature range of -40°C to +80°C.

Feature Summary

• Rectangular form factor with paper cone construction
• High-strength neodymium iron boron magnetic system
• Solder eyelet terminal configuration for PCB integration

Applications

• Industrial control panels
• Medical equipment indicators
• Security and fire alarm systems

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact acoustic tolerances and material specifications. Ensure the ordering part number matches the required impedance and power rating for the target circuit design. Cross-reference RoHS compliance status directly with the current datasheet version prior to procurement.

Selection Notes

Select this component when a compact rectangular footprint is required for board-mounted audio indication. The 4-ohm impedance suits low-voltage driver circuits common in portable electronics. Verify that the 86 dBA output meets the audibility requirements of the intended enclosure environment without excessive distortion at the rated power level.

Part Context

This model belongs to the AS series of speakers from PUI Audio, Inc., which specializes in custom and standard audio components. The series includes various shapes and sizes designed for diverse electronic applications ranging from consumer electronics to industrial machinery. PUI Audio provides these components as part of their broader portfolio of transducers and microphones.

FAQ

What is the self-resonant frequency of the AS04004PR-R?

The self-resonant frequency is specified as 420 Hz.

Does the AS04004PR-R use a ferrite or neodymium magnet?

It utilizes a Neodymium Iron Boron (NdFeB) magnet.