The Halo would be 125 watts into the m22's compared to the HK's 75 conservative rating, you might gain 1-2 dB's at reference, thats it.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85