American Bass XO 12” Subwoofer – 300W RMS Dual 4 OhmAmerican Bass XO 12 Subwoofer 300W RMS Dual 4 Ohm Sold by AudioSellerz. com The American Bass XO 12 Subwoofer is part of American Basss value packed XO Seriesbuilt for daily drivers that need real bass output, flexible wiring, and solid reliability without a crazy price tag. Rated at 300 watts RMS 600 watts max with a dual 4 ohm voice coil, this 12 inch subwoofer is perfect for trunk builds, hatchbacks, and SUVs where you want strong low end