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MB15X351 China 15 Inch Audio Speaker Mid Bass Speaker Transducer

MID-BASS Professional Low Frequency Transducer 3.5 - inch, fibreglass inside-outside copper voice coil 1400 Watt continuous program power handling 99.0 dB Sensitivity 40 Hz – 2.5 kHz Frequency range 22.8 T/m BL 40 mm peak-to-peak excursion "Dual-forced hyper-venting and 10mm top plate for minimum power compression " Dual spider design with silicon based dampening control M-roll surround and curved cone geometry


Nominal Diameter 15 / 381  inch / mm 
Rated Impedance  8 ohm
Program Power   1400 Watt
Power handling capacity   700 Watt
Sensitivity   99 dB
Frequency Range  40 - 2500 Hz
Effective Piston Diameter  330 / 12.99  mm / inch
Max Excursion Before Damage (peak to peak)  40 / 1.57  mm / inch
Minimum Impedance 6.5 ohm
Voice Coil Diameter  3.5 / 89  inch / mm 
Voice Coil Material  Copper  
Voice Coil Winding Depth  19 / 0.75  mm / inch
Number of layers  2  
Kind of layer  inside/outside  
Top Plate Thickness  10 / 0.39  mm / inch
Cone Material No pressed pulp  
Cone Design Curved  
Surround Material Polycotton  
Surround Design  M-roll  
Magnets Material  Ceramic   
Overall Diameter 393 / 15.47 mm / inch
Bolt Circle Diameter  371-376 / 14.6-14.8  mm / inch
Bolt Hole Diameter 6.5 / 0.25  mm / inch
Front Mount Baffle Cut-out  354 mm / 13.94  mm / inch
Rear Mount Baffle Cut-out  354 / 13.94  mm / inch
Depth  151 / 5.94 mm / inch
Volume occupied by the driver  4.5 / 0.18  liters / ft3

An audio speaker is a device that converts electrical signals into sound waves for the purpose of reproducing audio content. Audio speakers come in a variety of shapes and sizes, from small portable speakers to large floor-standing models, and are used in numerous applications, including music playback, home theater, public address, and professional audio.

Audio speakers consist of several key components, including a driver, a diaphragm, a magnet, and a voice coil. The driver is the primary component responsible for converting electrical signals into sound waves, while the diaphragm is the flexible membrane that vibrates in response to the electrical signals, producing sound waves. The magnet and voice coil work together to move the diaphragm and generate the sound waves.

In music playback applications, audio speakers are an essential component of any sound system, providing high-fidelity sound reproduction for music enthusiasts and audiophiles alike. High-quality audio speakers are engineered with precision, using premium materials and advanced technologies to deliver clear, detailed sound across the entire frequency spectrum, from deep bass to sparkling highs.

In home theater applications, audio speakers are used to create an immersive sonic experience, delivering surround sound effects and high-quality dialogue reproduction for movies and television shows. Advanced home theater systems incorporate multiple audio speakers placed strategically around the viewing area, creating a three-dimensional soundstage that enhances the viewer's sense of immersion and realism.

In public address systems, audio speakers are used to deliver clear and intelligible speech to large audiences in settings such as schools, houses of worship, and sporting events. These systems typically use horn-based speakers or column speakers to distribute sound evenly throughout the space, ensuring that every member of the audience can hear the message clearly.

In professional audio applications, audio speakers are used in recording studios, live sound reinforcement, and broadcast facilities to deliver high-quality audio reproduction for musicians, performers, and audiences alike. Professional-grade audio speakers are designed to meet the rigorous demands of these applications, with features such as high output power, tight frequency response, and excellent sound dispersion.

In recent years, audio speakers have undergone significant technological advancements, including the incorporation of wireless connectivity, digital signal processing, and voice assistant integration. These features allow users to seamlessly stream music from their mobile devices, customize sound EQ settings, and even control the speakers using voice commands.

In conclusion, audio speakers are a vital component of modern audio technology, delivering high-quality sound reproduction across a diverse range of applications. With their precision engineering, advanced materials, and cutting-edge technologies, audio speakers continue to evolve and push the boundaries of what is possible in the realm of audio reproduction.