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China Best OEM Wholesale 4 inch
4ohm 20watts Mid Bass Car Audio Speakers
Excellence in every detail, Strictly quality control.
To ensure high quality, we have a professional QC team, products have to be repeat checking.
| NO. | Item | Specification |
| 1 | Size | 4 inch |
| 2 | Voice Coil Impedance | 4Ω |
| 3 | Voice Coil Size / Material | 25 mm |
| 4 | Cone / Edge | Fiberglass/Rubber Edge |
| 5 | Resonant Freq (FO) | 84HZ + 20%Hz |
| 6 | Output S.P.L. | 86+3dB MEAN VALUE |
| 7 | Freq Response | 84Hz ~ 13 KHz |
| 8 | Rated Power Input | 20 watts |
| 9 | Max Power Input | 30 watts |
| 10 | Weight | 590g / 20.8 oz |
| 11 | Remark | High quality finish. Professional customer service team assist your OEM needs, affordable price only! |
Testing and drawing of the 4" woofer speakers:


Photos about The 4" woofer speakers:






l Dongguan Erisson Acoustics Technology Co., Ltd. was established in 2005 .
l We specialize in Car speakers, Subwoofers, Marine speaker , In-Wall & In-Ceilings, In-Door & Out-Door products, Multi-media speakers, Pa speaker, and Home Theater speakers with more than 17 years production experience!
l Our goal is to provide customers with the best service possible and we are sincerely hope to enter into business relationship with you.
l All items coming with certification, have excellent team offering FREE DESIGN for your customized project.

Q1: What is our warranty for speaker drivers?
For our speaker driver, we have one-year warranty.
Q2:How can i get a sample ?
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.
Q3:How much the transportation freight of samples?
The freight depends on the weight and packing size and your area.
Q4:Is it OK to print my logo on the product?
Yes.Please inform us formally before our production and confirm the design firstly based on our sample.
Q5:Can you produce according to customers' design?
yes.we mainly do the OEM/ODM service.
Q6:What's the minimum order quantity(MOQ)?
MOQ is 50pcs-500pcs each model size.
Q7:How about the delivery time?
For sample: 10-15 days
For order: 30-45 days
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