Unleash earth-shaking bass with the SP15 D1/D2 15 inch subwoofer by Audio Yong, part of the SP series, available in 15” and 18” sizes. Engineered for extreme power and precision, this car subwoofer features a massive 4” dual voice coil design, delivering deep, resonant low-end frequencies. Perfect for daily driving, custom audio builds, and competition-grade setups, it’s an ideal choice for B2B distributors and installers seeking a high-performance dual voice coil subwoofer.