该SH1500是一种坚固耐用，高功率低音系统，扩音要求和音频播放应用而设计。
The SH1500 is a rugged, high-power subwoofer system, designed for demanding sound reinforcement and audio playback applications.
该SH1800是一种坚固耐用，高功率低音系统，扩音要求和音频播放应用而设计。
The SH1800 is a rugged, high-power subwoofer system, designed for demanding sound reinforcement and audio playback applications.
该SH2800是一种坚固耐用，高功率低音系统，扩音要求和音频播放应用而设计。
The SH2800 is a rugged, high-power subwoofer system, designed for demanding sound reinforcement and audio playback applications.
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