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Transform your BMW’s sound with a major boost in audio quality and higher power handling than factory systems. Enjoy a stable yet ultra-light fiberglass cone for precise, dynamic sound, powered by a dual neodymium motor with an N42H magnet for outstanding performance—even with moderate amplifier power.
The CSB8W subwoofer delivers powerful low-end performance with a 50 mm CCAW voice coil, achieving an impressive 89 dB/W/m efficiency. Complementing the bass, the CSB4.2C component system features a 25 mm titanium dome tweeter for crisp, detailed highs and exceptional treble clarity.


Enjoy a smooth, linear frequency response up to 20 kHz with neodymium-powered tweeters for pristine sound quality. Designed with vehicle-specific connections, this system offers a true plug-and-play installation for a quick, hassle-free upgrade.
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No wonder with its price. It is one of the best subwoofer in the market that I've ever heard...
Had to upgrade with this sub since I'm not impressed with my F3X sound system and I'm happy that I did it. Great sounding sub for its small size. A much cheaper option compared to what I've searched from others that will fit in my car.
These underseat woofers brought my BMW's audio system to life. The clarity and detail in the low end are unreal. It’s not overwhelming bass. It’s precise and musical, just like it should be in a BMW
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