Upgrade your car audio with this 8‑inch active subwoofer tube. Featuring a built‑in amp (up to 4200W PMPO) and vented enclosure, it delivers rich, low-frequency bass down to ~30 Hz. Space-saving and easily mountable under a seat or in the trunk, this compact tube enhances depth without overpowering—ideal for immersive sound in tight spaces. https://jxlindia.com/product/8-inch-bass-tube-subwoofer/