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Home > Products > 2.5 Inch > High-Quality Subwoofer for Deep Bass Sound

CDW6878A-001

High-Quality Subwoofer for Deep Bass Sound

2.5 inch 25 core neodymium magnetic 4 Ω 18W multifunctional intelligent speaker
  • 1
  • 2
  • 3
  • 4
  • 55
  • Voice Coil Diameter
    68*78mm
  • Nominal lmpedance
    4Ω± 15 %
  • AES Power Handing
    18W
  • Sensitivity
    82dB
  • Resonance Frequency
    95Hz± 20% Hz
  • Effective Frequency Range
    F0 ~ 2KHz
  • Listen Voltage
    8.48V
  • Weight
    167g

1757983984749879

Appearance


Frame: Rectangular metal frame with standard mounting holes at each corner for easy snap-on installation.

Diaphragm System: A circular diaphragm unit with a flat surface is located in the center of the unit and is constructed from a black composite material.

Surrounding Design: A black rubber surround surrounds the diaphragm, providing necessary elastic support.

Connection: Visible electrical connection ports on the bottom utilize standard terminal blocks.

Finish: Chamfered edges and a smooth surface reflect the high-quality manufacturing process.


Features


Space Optimization: Rectangular shape maximizes installation space.

Full-Range Response: Suitable for mid- and high-frequency sound reproduction.

Easy Installation: Standardized mounting holes facilitate quick integration.

Durable Construction: Rubber surround provides long-term stable performance.


Advantages


Compact design makes it suitable for space-constrained applications. Easy installation reduces assembly costs. Rubber surround ensures long service life. Simple appearance easily integrates into various equipment designs.


Instructions


During installation, ensure the frame fits snugly against the mounting surface. When wiring, ensure correct polarity. Avoid applying external pressure to the diaphragm surface. The recommended operating temperature is between -10℃ and 50℃.


Application Scenarios


Auxiliary speakers in car audio systems

Audio output units for smart home devices

Voice prompt speakers for security systems

Alarm or alert devices for industrial equipment

Built-in speakers for portable audio equipment


FAQ


Suspension aging: The rubber suspension may harden and crack after long-term use.

Voice coil failure: Overload may cause the voice coil to burn out.

Poor connection: The terminal block may loosen under vibration.

Diaphragm deformation: External impact may cause sound distortion.

Magnetic circuit demagnetization: Magnetic properties may degrade under high temperature.


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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