The picture as a guide only. The Specifications are based on the datasheet (PDF).

PSR4040N08A21.3K

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Manufacturer No:: PSR4040N08A21.3K

Manufacturer:: Mallory Sonalert Products Inc.

Product Category:: Speakers

Description:: SPEAKER 8OHM 3W TOP PORT 106DB

RoHs Status:: Lead Free / RoHS Compliant

Datasheet:: PSR4040N08A21.3K Datasheet(PDF)

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TNT Express

Courier offering global express distribution, logistics and international mail service of parcels and freight.

TNT Express N.V., Thomas Nationwide Transport, is an international courier delivery services company with headquarters in Hoofddorp, Netherlands. The firm has fully owned operations in 63 countries and delivers documents, parcels and pieces of freight to over 200 countries.

DHL Express

International Shipping, on time, every time.

DHL Express is a division of the German logistics company Deutsche Post DHL providing international express mail services. Deutsche Post is the world's largest logistics company operating around the world. DHL is a world market leader in sea and air mail.

United Parcel Service

United Parcel Service of North America, Inc., typically referred to and branded as UPS (stylized as ups), is the largest shipment and logistics company in the world. The American global package delivery company is headquartered in Sandy Springs, Georgia, which is part of the Greater Atlanta metropolitan area. UPS delivers more than 15 million packages a day to more than 6.1 million customers in more than 220 countries and territories around the world.

Fedex Corporation

FedEx Corporation is an American global courier delivery services company headquartered in Memphis, Tennessee. The name "FedEx" is a syllabic abbreviation of the name of the company's original air division, Federal Express, which was used from 1973 until 2000.

Express Mail Service

EMS is an international postal Express Mail Service, for documents and merchandise, offered by postal operators of the Universal Postal Union. Approved by the State Council, China Postal Express & Logistics Co., Ltd. (“China Postal Express & Logistics”) was co-founded by China Post Group and provincial postal companies as a state-owned limited company in June 2010. The company is the largest integrated express and logistics service provider with the longest history of business operation, the widest coverage and the richest products in China.

Specifications

Product Category :	Speakers	Manufacturer :	Mallory Sonalert Products Inc.
Efficiency - dBA :	81	Efficiency - Testing :	1W/1M
Efficiency - Type :	Sound Pressure Level (SPL)	Frequency - Self Resonant :	220Hz
Frequency Range :	220Hz ~ 20kHz	Height - Seated (Max) :	0.839" (21.30mm)
Impedance :	8 Ohms	Material - Cone :	Polyester, Polyethylene Terephthalate (PET)
Material - Magnet :	Nd-Fe-B	Part Status :	Obsolete
Port Location :	Top	Power - Max :	5W
Power - Rated :	3W	Series :	PSR
Shape :	Square	Size / Dimension :	1.575" L x 1.575" W (40.00mm x 40.00mm)
Technology :	Magnetic	Termination :	Solder Eyelet(s)
Type :	General Purpose