Colossal Sounds offers one of the best car audio subwoofers on the market. We understand that not every system is the same, so we offer a wide variety of high quality and high fidelity subwoofers available. We design, engineer and assemble a majority of our subs right here in the US by a team of car audio enthusiasts to assure perfection. So whether you’re in the market for an insane SPL subwoofer or just need a good aftermarket upgrade, Colossal Sounds has a solution for you.