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Home > Products > 7 Inch > Subwoofer with Immersive Sound Experience

CDW178A-004

Subwoofer with Immersive Sound Experience

7 inch 30 core neodymium magnetic 4Ω 100W multifunctional intelligent speaker
  • 1
  • 2
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  • 55
  • Voice Coil Diameter
    φ178.5mm
  • Nominal lmpedance
    4Ω± 15 %
  • AES Power Handing
    100W
  • Sensitivity
    84.5dB
  • Resonance Frequency
    49Hz± 15% Hz
  • Effective Frequency Range
    F0 ~ 700Hz
  • Listen Voltage
    20V
  • Weight
    1456g

1757984342233316

Appearance


Structural Components:

Mounting Frame: Square metal frame with standard mounting holes at the four corners for easy fixation.

Diaphragm System: Circular cone diaphragm with a smooth surface and a recessed dust cap in the center.

Suspension Design: Wide black rubber suspension with distinct corrugations to support long-stroke motion.

Magnetic Circuit System: The complete voice coil and magnetic circuit assembly are visible in the second image.

Material Characteristics: The frame is made of metal, providing a stable support structure. The diaphragm may be made of polypropylene or a composite paper-based material. The rubber suspension offers good elasticity and durability.


Features


Full-range response: Suitable for mid-to-low frequency sound reproduction, with clear vocals.

Long-stroke design: Wide surround supports larger amplitude, enhancing bass performance.

Efficient heat dissipation: Metal frame facilitates heat dissipation.

Easy installation: Standard mounting holes ensure strong compatibility.


Advantages


Robust structure, long service life;

 balanced sound, full and natural midrange; 

easy installation, quick integration; 

high cost-performance ratio, wide applicability.


Instructions


During installation, tighten the four corner screws evenly. The operating power must not exceed the rated value. Avoid damaging the diaphragm with external forces. Ensure correct and reliable wiring.


Application Scenarios


Car audio systems: door speaker units

Home audio equipment: multimedia speakers, TV stereos

Public address systems: background music playback

Professional audio equipment: conference systems, stage monitoring

Security systems: alarm tone units


FAQ


Q1: What is your MOQ?

A: Our standard MOQ is 100 units for regular models. We can offer a lower MOQ for pilot orders, but the unit cost will be higher.


Q2: Can we customize the color or material of the speaker? 

A: Yes. Color and material customization is available for OEM/ODM orders. Please contact us with your specific requirements for a quotation.


Q3: Do you provide ODM/OEM services?

A: Yes, we specialize in ODM and OEM services. We can design and produce speakers according to your technical specifications or design drawings.


Q4: How long does it take to develop a new product?

A: The development time depends on the complexity. It typically takes 4-8 weeks for a new design, including prototyping and testing.


Q5: What are your payment terms? 

A: We commonly accept T/T (Bank Transfer). For new customers, 50% deposit is required to start production, and the balance 50% before shipment.


Q6: Can I mix different products in one container? 

A: Yes, mixed orders are welcome. This is a cost-effective way to import. We will provide a detailed packing list for each product.




Company Overview


Jiangxi Roxound Acoustic Company was established in 2006 and is a professional speaker manufacturer with 20 years of acoustics experience. It has established manufacturing bases in Dongguan, Jiangxi, and Vietnam. The company's products are mainly used in consumer electronics, security systems, automobiles, musical instruments, micro-sized devices, and professional applications. 


We are dedicated to providing high-quality speaker units and comprehensive solutions, including free EQ and DSP tuning, passive radiator, and duct design support. Leveraging simulation software such as Finemotor, a reliability design standard library, and a pre-design database accumulated over 15 years, we ensure efficient and reliable development. We can deliver samples within 3 days, complete projects within 7 days, and have access to a professional soundproof room to guarantee the precision of acoustic testing and verification.




1757498649854877



1757498698303354


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