5.25 inch 20w 135mm 4ohm Woofer Speaker
NO. XDEC-135W04T22NA08

Speaker Driver Product Introduction
This speaker is a 5.25 inch,with a outer diameter is 135mm, the sharpe is like a apple friut, near square,this 5.25 inch speaker F0 is 65Hz, means this frequency start point is very low,it s a big size 135mm, so this one is a 5.25 inch 4ohm 20w woofer speaker, it made of metal frame,black anodized finish. ,high class Y20 class ferrite magnet, big size ring magnet, ensure supply a big power, bottom is a shining T yoke, inside centre is Katon voice coil, voice coil size 25mm, for make the sound replay, we apply electrcal magnet theroy, when electricity go through a fixed magnetic field, the speaker cone will go up and down with the curren and its polarity,the speaker cone go up and down also will cut the magnet field power and form a power to make the cone up and down and cone push air to make the sound. esepciall our this speaker cone is special made it can replay a very good bass and good midrange and some high pitch sound, so this features can make this speaker become a good speaker driver.
also this speaker is a powerful one, rated power is 20w, max power can be 30w. widely using for home theatre, car speaker, speaker system, and so on !, for make the sound replay, we apply electrcal magnet theroy, when electricity go through a fixed magnetic field, the speaker cone will go up and down with the curren and its polarity,the speaker cone go up and down also will cut the magnet field power and form a power to make the cone up and down and cone push air to make the sound. esepciall our this speaker cone is special made it can replay a very good bass and good midrange and some high pitch sound, so this features can make this speaker become a good speaker driver.
also this speaker is a powerful one, rated power is 20w, max power can be 25w. widely using for home theatre, car speaker, speaker system, and so on in car devices, and smart homes. Its standardized impedance (4 Ω) also significantly reduces the difficulty of power amplifier matching, making it suitable for rapid integrated development.They are particularly well-suited for high-fidelity Audio Devices, security monitoring systems, and multimedia Audio Devices.
Dimension Diagram
135mm 4ohm 20w Bass Speaker Fullrange Speaker Speaker Dimension Diagram
This dimension diagram provides a comprehensive overview of the physical attributes and specifications of the 5.25 inch 135mm 4Ohm 20w woofer speaker, aiding in its proper installation and integration into Audio Device designs.


Speaker Frequency Response Curve
The frequency response curve helps us understand the speaker's performance across different frequencies, in cluding treble,midrange, and bass. Fluctuations on the curve indicate sound quality in specific ranges. A flatter curve suggests a more balanced output, while larger fluctuations indicate volume changes at certain frequencies.
Product Specifications
NO. |
Item |
Specification |
Condition |
|
1 |
Dim |
Φ135*135*74H mm |
||
2 |
Anomia Impedance |
4±15% OHM |
At 600Hz / 1.0V |
|
3 |
Input power |
Rated:20W/ Max:30W |
At8.94V 10.94V |
|
4 |
Resonance Frequency |
65±20%Hz |
At 1.0V |
|
5 |
S.P.L. |
88±3 dB(1W/0.M) |
At600/400/800/1KHz (Average)
|
|
6 |
Frequencies Range |
F0~7K
|
Output S.P.L. -10dB
|
|
7 |
Distortion |
10%Max |
At 1.0KHz 1W/0.5M
|
|
8 |
Buzz & Rattle |
Not be audible sine wave between at8.94V /45~5KHz.
|
||
9 |
Polarity |
Diaphragm shall move forward. |
||
10 |
Load test |
Must be normal after load test:white noise 24 hours. |
||
11 |
High TEMP test |
After having been in a test chamber for 48 hours at the condition of +60℃ 20~25%R.H and keep 2 hours |
Product Applications

Intercom
Experience crystal-clear communication with our 135mm 4ohm 20w Bass Speaker Fullrange Speaker Speaker. Our precision-engineered driver ensures superior sound quality for intercom systems, capturing every detail and providing a clear and reliable audio environment for seamless communication.

Learning Device
Learn with clarity and precision using our 135mm 4ohm 20w Bass Speaker Fullrange Speaker Speaker. Our high-fidelity driver reproduces audio signals with accuracy, providing a rich and immersive listening experience for educational devices and enhancing the learning process.

Reading Pen
Discover the joy of reading with our 135mm 4ohm 20w Bass Speaker Fullrange Speaker Speaker. Our compact and efficient driver brings text-to-speech technology to life, providing a clear and natural-sounding voice output that enhances the reading experience.

Electric Toy
Play with excitement and clarity using our 135mm 4ohm 20w Bass Speaker Fullrange Speaker Speaker. Our durable and reliable driver brings games and interactive experiences to life, providing a rich and engaging audio environment that immerses children in their play.
Company Introduction
Founded in 2009, our company is a well-known domestic electroacoustic high-tech enterprise integrating R & D, production and sales. Our products include: speaker drivers, sound receiver, microphones and other electroacoustic products.
Professional team
With our state-of-the-art facilities and experienced team, we offer custom sampling services to meet your unique requirements.
24-hour online communication
Our dedicated professionals are available 24/7 to provide support and ensure a seamless experience throughout the process.

5000m²
Factory area
150+
Factory employee
100+
Precision equipment
100%
Product qualification rate
Why Choose Us?
15 years Industry Experience
With over 15 years in the industry, we bring seasoned expertise in electronic components and speaker products, ensuring top-notch quality and reliability.
Dedicated Workforce
Our team of over 200 skilled employees is committed to excellence, leveraging their expertise to deliver innovative solutions and exceptional customer service.
State-of-the-Art Facilities
Spanning 5000m², our modern manufacturing facility is equipped with cutting-edge technology, enabling efficient production and stringent quality control.
Customized Solutions
We specialize in tailored electronic components and speaker products, offering flexible manufacturing capabilities to meet diverse client needs with precision and efficiency.
Our Service Processes
Our free service hotline:+8618818562515, on wechat, whatsapp, and phones
Pre-sales Consultancy
1
>>
Confirmation of order
2
>>
Production
3
>>
Multi-Channel Shipping
4
>>
Confirmation of recei
5
>>
After-sale Services
6
Honor and qualification
Official certification, professional after sales service.





Frequently Asked Questions
What is a mini Speaker Driver?
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A mini Speaker Driver is a type of speaker component that uses a thin, flexible mini film as the diaphragm to produce sound waves. It is known for its high-quality sound reproduction, durability, and compact design, making it suitable for a wide range of applications, including audio devices, intercom systems, and toys.
Could I have samples of Speaker Drivers for testing first?
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Yes. definitely you can. We can even send you free sample and you should only pay for the shipping fee.
How long do Speaker Drivers last?
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The lifespan of a Speaker Driver depends on several factors, including usage, environment, and maintenance. With proper care and maintenance, a Speaker Driver can last for many years.
How do I choose the right speaker driver for my product?
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When choosing a Speaker Driver, consider factors such as the application, size, power handling, frequency response, brand reputation, and price. It's also important to read reviews from other users to get an idea of the performance and reliability of the driver.
What is the minimum order quantity for this 5.25 inch 135mm 4ohm 20w Woofer Speaker ?
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Generally, a minimum order of 3000 units is required. Please contact us for further discussion.