Since you must use the back wall, spread them as far apart as possible. The QS series is amazing at generating envelopping sound even in less than ideal situations (which probably half the installationsa are because of physical or wife constraints! \:\) ).


E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
AxiomAir/6xM2/4xM22/2xVP150/2xM3