Tonewinner
Tonewinner SW-D4000 12-Inch Active Subwoofer
The Tonewinner SW-D4000 is a powerful 800W, 12-inch active subwoofer with an extended dynamic range. Crafted by one of China's top 10 audio brands, it delivers stunning bass frequencies while minimizing distortion and maximizing output. This durable unit features digital signal processing (DSP), an LCD display, touch buttons, app control, wireless firmware updates, EQ adjustments, frequency range customization, and phase switch settings.
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Updated on May 18, 2026
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