Guangzhou DSPPA Audio Co., Ltd.
Products
Contact
Email: export@dsppa.com
Tel: 020-28346138
Fax: 020-81305947

LA1428SA Powered Subwoofers

Features

● The speaker box body is built using a specially designed plywood that offers exceptional reliability, typically used in sea vessels.
● Additionally, all metal accessories are crafted from high-quality aluminum alloy for durability.
● The system is powered by a high peak power switching power supply and features a Class-D independent power amplifier.
● The long-stroke woofer ensures powerful bass performance.
● This product is particularly well-suited for mobile applications.

  • Introduction
  • Specification

The active subwoofer is equipped with a long-stroke woofer, delivering powerful bass performance. The speaker box body is constructed using special plywood designed for sea vessels, ensuring exceptional reliability. All metal accessories are made from high-quality aluminum alloy for durability. The subwoofer is powered by a high peak power switching power supply and features a Class-D independent power amplifier.

Model

LA1428SA

Unit Structure

18" woofer ×1

Frequency Response

40 Hz – 250 Hz

Speaker Sensitivity (converted to 1m, 1W)

99±2dB

MAX. SPL.

127±2dB

Active Signal Input Impedance

20 kΩ

Amplifier Output Power

1200W

Amplifier Input Sensitivity

0.775V

Amplifier Distortion

<0.05%

Working Voltage

AC220V~50/60Hz

Color

Black

Dimensions

642mm×620mm×489mm

Weight

49kg


Relate Products

  • LAM1432 350W Two-Way Passive Array Full Range SpeakerLAM1432 350W Two-Way Passive Array Full Range SpeakerOctober 19, 2023The LAM1432 is a compact passive speaker system featuring a two-way design. It comprises of two tweeters with a 36mm voice coil diameter and a 10" woofer, creating a powerful combination that delivers...view
  • DSP1280F Portable Waterproof Active Line Array Column PA SpeakerDSP1280F Portable Waterproof Active Line Array Column PA SpeakerOctober 22, 2025The Professional Waterproof Active Line Array Speaker System is engineered for demanding applications that require exceptional sound quality, robust amplification, and reliable weather resistance. It ...view
  • LA1423A Active Line Array SpeakerLA1423A Active Line Array SpeakerMarch 1, 2024The LA1423A is a versatile line array speaker, designed with a bass driver and two 2.5-inch treble drivers to deliver a frequency range from 58Hz to 18,000Hz. Its Class-D amplifier provides 1000W of p...view
Leave a Message Email Us

we will contact you within 24 hours.

Related News
  • Tel:+86 020 37166520
  • Email:export@dsppa.com
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Visit our cookie policy to learn more. Reject Accept