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![Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W [PAD4000.4]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/300x300/products/18422/31938/45600XL__21099.1697151610.jpg?c=1 "Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W [PAD4000.4]")