The subwoofer amplifier board is designed for home theater. First of all, the power supply adopts a high-efficiency half-bridge power supply, and there are 120V and 230V transfer switches suitable for global use. The power supply margin is quite large, and the ripple is lower than that of the traditional transformer power supply. The power amplifier output also adopts MOS high-current tube output, which achieves a true 1% distortion of 350W, with amazing control. The front stage adopts the high technology of the current subwoofer industry, adopts dynamic EQ algorithm, high speed, low dive and high control. The low-cut is also designed to cut all frequencies below 18Hz and convert the energy into the frequency range of 25Hz-60Hz, making it sound endless and full of energy. This amp also features an inverting subwoofer and an enclosed subwoofer switch, allowing each sub to achieve great results. The material is sturdy, with an aluminum backplate and virtually no bottom noise. It is a rare subwoofer amplifier board for home theaters. › See more product details Product information Collapse All Expand All Item details ASIN B09X5XKD51 Manufacturer GJHGKJH Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Features & Specs Voltage 240 Volts
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