<font color='#0000FF'>You can use the powered sub with the booze, as a matter of fact someone I know is using a YST-SW 320 with Acoustimass 7, the problem is integration with the booze sattelites, since the response of the cubes is pathetic, you have to place the Yamaha sub in the middle and set the crossover at around 120Hz to get any decent sound.</font>