LA1428SA Powered Subwoofers

Name: LA1428SA Powered Subwoofers
Brand: Guangzhou DSPPA Audio Co., Ltd.

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.

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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

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