Luxman M-900u: Stereo vs Monoblock version

I'd like to hear from anyone who has compared the Luxman M-900u stereo vs monoblock versions.  There seems to be plenty of online opinions against bridging of amplifiers, but I'd like to hear from anyone who has actual experience bridging these particular amps.   The amps would be driving Wilson Maxx IIs (4 ohm nominal impedance).  .  Thanks .