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Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W [PAD4000.4]
![Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W [PAD4000.4]](http://marinetechonline.com/cdn/shop/products/45600XL_250x.jpg?v=1491950799)