Celestion NTR21-5010JD 21″ Neodymium 1,600 Watt RMS 8 ohm Subwoofer Sub Driver
Celestion's NTR21-5010JD 21" subwoofer features an advanced neodymium-powered motor for maximum output without maximum weight. A lightweight carbon fiber-loaded paper cone is used due to its rigidity and ability to respond quickly to audio impulses.