DB Research L.L.P., takes pride in protecting our customers. Our products are sold online by DB Drive’s Website only. We do not authorize the sale of our products through third-party sales, such as eBay, social media, marketplace, forums, or other online groups. Purchases made through an unauthorized source will limit product support and void our manufacturers warranty. Do Not Buy List
Quantum Audio has thundering sound for your ride. Audio so loud, you’ll Feel The Rush! Quantum Audio subwoofers, amplifiers, speakers, multimedia players, radios, wires & accessories are designed for the loudest & best car audio experience.