Eighteen Sound 10NW7508 10-in Low Frequency Woofer w/ Neodymium
The 75mm (3 in) inside outside aluminum voice coil employs Interleaved Sandwich Voice coil (ISV) technology. Eighteen Sound 10NW750-8 10-in State-of-the-art Low Frequency Woofer W/neodymium Magnet Structure.