NOS 10" aluminum cone woofer. Vented cone and voice coil. 2" voice coil. 200W RMS. Used in the NHT XdW subwoofer. $50 each, free shipping. XdW cabinets available also. See reviews ->https://www.audioholics.com/soundbar-and-satellite-speaker-reviews/nht-xd-loudspeaker-system-review
Specifications: View attachment xdw10.pdf

Specifications: View attachment xdw10.pdf