Hey zane you seem like you know the most about audio on this board what do you think about harrison labs amps it seems like a small company with some nice toys. i was thinking of giving them a try a getting an amp from them. have you had any experience with them. another thing i was thinking of trying a dua reflex box ( bandpass box with a port in front and behind the sub) bose designed this type of box years ago and i have never heard one so i thought i would try it my self but was wondering if you had any expierence with ithis type of box ? thanks for your help