The Behringer DSP 90 something, for less than $300 as reviewed in Enjoy the Music and other sites will do what you expect for a lot less than the Rives and other such devices. Supposedly, the only drawback is that you need to read the manual pretty carefully to get the most out of it.....OR.....
try to pull the sub out and away from the walls, until the boominess goes away. Sometimes, location is the most fundamental aspect of setting any loudspeaker/subwoofer in a room. Try this and see if you can save yourself some money.
try to pull the sub out and away from the walls, until the boominess goes away. Sometimes, location is the most fundamental aspect of setting any loudspeaker/subwoofer in a room. Try this and see if you can save yourself some money.