3 inch speakers

MR03F09C 3 inch subwoofer

3 inch four-ear iron frame 70mm magnetic 19.4mm voice coil subwoofer speakers,Nominal Diameter 83mm/3inch, Nominal Impedance 4Ω, AES Power Handing 20W, Sensitivity 1W/1M 86dB, Frequency Range 103-6.5kHZ.

Form of Information

Form information:

3-inch subwoofer speaker preferred for home audio and video, HiFi speakers and column speakers, the sound is very good, users like it very much, this product is also our best-selling model.

General Specifications




Nominal Diameter


83mm/3inch


Nominal Impedance


4Ω


AES Power Handing


20W   (AES)


Maximum Power


40W


Sensitivity 1W/1M


86dB


Frequency Range


103-6.5kHZ


Voice Coil Diameter


19.4mm/0.76 inch


 Windinig Material


Copper


Former Material


KaPton


 Winding Depth


11.3mm


surround material


Rubber


surround Design


R-roll


Magnet   

Φ70

Ferrite Ring


Thiele & Small Parameters




Resonance Frequency

Fs

105Hz


DC Resistance

Re

3.8Ω


Mechanical Factor

Qms

5.2


Electrical Factor

Qes

1


Total Factor

Qts

0.85


BL Factor

BL

3.75T.m


Effective Moving Mass

Mms

5.8g


Compliance

Cms

0.409MM/N


Equivalent Cas Air Load

Vas

0.56L


Effettive Piston Area

Sd

31.17cm²


η(Eta Zero)

η0

0.06%


Mountiong & Shipping Information




Overall Diameter   


83mm


Bolt circle diameter  


90.5mm


Baffle Cutout Diameter


70mm


Depth


54mm


Net Weight


KG


Shipping Weight


KG


 

This is the size chart of the MR03F09C, which can better help you design and install the speaker:

 3 inch speaker (4).jpg3 inch speaker (3).jpg

MR03F09C 3-inch subwoofer speaker curve graph.

3 inch speaker (2).jpg

3 inch speaker (1).jpg

Company Introduction

Founded in 2005, Merry Audio is a professional manufacturer focusing on R&D, manufacturing and sales of high-power speakers for entertainment KTV, bars, conferences and outdoor perfor-mances. We are committed to providing our customers with high-quality speaker units and supporting solutions.


Now it has world-class production technology and equipment such as KLIPPEI, LMS, CLIO, and laser Test elastic wave displacement and drum paper FS instrument, high-power life tester, salt spray testing machine and online full inspection curve and parameter QC version KLEPPEL and other equipment.

  • Guangdong Merry Audio Equipment Co., Ltd.

  • Guangdong Merry Audio Equipment Co., Ltd.

  • Guangdong Merry Audio Equipment Co., Ltd.

  • Guangdong Merry Audio Equipment Co., Ltd.

  • Guangdong Merry Audio Equipment Co., Ltd.

  • Guangdong Merry Audio Equipment Co., Ltd.

  • Guangdong Merry Audio Equipment Co., Ltd.

  • Guangdong Merry Audio Equipment Co., Ltd.

FAQ

Q1: How can i get a sample?

A:

If you need some samples to test, we can make as per your request.

You should pay for the transportation freight of samples and our samples cost, while the samples cost can be refundable after you place the order. Thanks.

Q2: How much the transportation freight of samples?

A:

The freight depends on the weight and packing size and your area.

Q3: Can you produce according to customers' design?

A:

We mainly do the OEM/ODM service.

Q4: Is it OK to print my logo on the product?

A:

Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q5: How to order?

A:

Please send us your purchase order by mail or WhatsApp with below information:

1) Product information: Quantitiy, Model number, Specification.

2) Delivery time required.

3) Shipping information: Company name, Address, Phone number, Destination: seaport/airport.

4) Forwarder's contact details if you have.

Q6: OUR services

A:

1. Any questions from you are welcome and will be replied in 24 working hours.

2. Experienced staff answer all your questions in fluent English.

3. Special discount and protection of sales area provided to our distributor.

4. Specialized in speakers over 17 years.

5. A team of designers and engineers are capable to create new items according to personal request.

6. Customized design is available.

Welcome OEM and ODM

Contact Us

Connect Way

ma001@merryaudio.com

+86 139 2509 0366

1-6-02/03, Zone B, Guangfo Zhao (Huaiji) Economic Cooperation Zone, Zhagang Industrial Park, Huaiji County, Zhaoqing City, Guangdong Province

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