Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

LA1421SF Waterproof Passive Line Array Subwoofer


● Crafted from specialized marine-grade plywood for enhanced reliability, the enclosure ensures durability. Additionally, all metal components are constructed from high-quality aluminum alloy.
● The long-throw woofer delivers powerful bass, enhancing the overall audio experience.
● Designed for all-weather conditions, making it particularly suitable for mobile applications.

  • Introduction
  • Specification

The LA1421SF is a dependable, waterproof passive line array subwoofer built for versatile use. Made from durable special plywood and equipped with high-quality aluminum alloy metal accessories, it delivers powerful bass with its long-throw woofer. Its all-weather design makes it perfect for mobile applications, ensuring superior sound quality in any environment.



Drive Unit

15” Bass×2

Frequency Response


Speaker Sensitivity (1m, 1W)


Max. SPL


Continuous Power

1000W (AES)

Rated Impedance



Dimension (W×D×H)




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  • Address:Jianggao Town, Baiyun District, Guangzhou, China