MTM26KC-M sealed subwoofer "I had the older V1801s

"I had the older V1801s which are probably pretty similar to the new EV18's

-Rear mounted 4 inch Precision Port™

-120VAC (optional 120VAC-240VAC for an additional charge)

No idea what the cubic feet is but its a lot

ferrite magnets

MTM26KC-M sealed subwoofer "I had the older V1801sDescription Features Product Support Components Performance Testimonials MTM26KC M The MTM26KC M (K=klippel optimized, C=center channel, and M=matte finish) is designed to provide incredible dynamics for both film and music enjoyment. Like all Power Sound Audio products the MTM26KC M is assembled by hand in our Ohio facility. Each speaker is measured before boxing to ensure a quality control experience far beyond industry standards. Design