If you check the pics on the M22 product page you can see there is a rear port. You normally want to allow some room between the speaker and wall for low bass to filter into the room.




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