Just bought a used Strata 5 sub woofer and am trying to get it setup correctly. Ive noticed it integerates very well with speakers in Stereo music, however it doesnt seem to go very loud without becoming noticeable through distortion. Are there certain settings that I should use? Whats the best way of setting this up? My room is 5m x 6m with a high ceiling, so maybe I cant expect high output?