The HSU MK15HP is a great sub. You're gonna love it..!
I run two of them in my theater and they play very nicely with the Rythmik FV25HP I have the the theater as well.
Keep us posted...
Orotund Desert Theater:14'x20'x10',100amp service, JVC RS620, 120" AT screen, Carada Masquerade Masking, OPPO-203 & Panny ub820, Anthem AVM60, Simaudio Moon Titan 7&5 channel amplifiers, ACInfinity Fans, L&R Polk SDA SRStl Fully built, CC 2 Polk RTA15tl in Custom cabinets Fully build, SS-BS DT BPXV, 4 Atmos 3 way Core5's, Subs-Rythmik FV25HP front 2 HSU VTF-MK5-HP back, 2 Rows of 3 Seatcraft Excalibur Lx Seats and more.