BK-28472-M03

$14.02

Description：SPEAKER RECTANGULAR
Series：BK
Mfr：Knowles
Package：Bulk

SKU:568d7a04f7da Category: Speakers Brand: Knowles

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Product introduction

Product Detailed Parameters

Description：SPEAKER RECTANGULAR
Series：BK
Mfr：Knowles
Package：Bulk
Type：Receiver, Balanced Armature
Technology：Magnetic
Impedance：-
Power - Max：-
Shape：Rectangular
Termination：Solder Pads
Size / Dimension：-
Height - Seated (Max)：-
Frequency - Self Resonant：-
Efficiency - dBA：-
Efficiency - Testing：-
Efficiency - Type：-
Port Location：-
Material - Cone：-
Material - Magnet：-
Ingress Protection：-
Ratings：-
Frequency Range：-
Power - Rated：-

Download product information

BK-28472-M03

Overview

The Knowles BK-28472-M03 is a rectangular balanced armature receiver designed for high-performance audio applications. It utilizes magnetic technology and features solder pad termination for surface mount integration. The component is engineered to deliver premium sound quality within ultra-compact form factors, enabling design flexibility for wireless earbuds and hearing aids.

Feature Summary

Balanced armature driver architecture
Rectangular physical geometry
Solder pad termination style

Applications

Wireless earbuds
Hearing aids
In-ear monitors

Procurement Notes

Verify the specific manufacturer source against official Knowles Novacap documentation to ensure authenticity. Confirm that the part number matches the exact rectangular balanced armature receiver specification. Request detailed datasheets to validate technical parameters before procurement.

Selection Notes

Select this component when space constraints require an ultra-compact driver with premium acoustic performance. The rectangular shape offers distinct layout advantages over circular designs. Ensure the application supports balanced armature drive requirements and surface mount assembly processes.

Part Context

This component belongs to the Knowles BK series of balanced armature drivers. These units are specialized for miniaturized audio devices requiring high fidelity in small volumes. The model represents a standard rectangular variant within the broader portfolio of miniature transducers.

Replacement Considerations

Consult official Knowles substitution guides for verified equivalents. Cross-reference mechanical dimensions and acoustic impedance curves to ensure compatibility with existing PCB layouts and acoustic chambers.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.