Eric,

Have you tried playing a movie, or was it just music? If it was music, try playing a movie with these settings. The LFE should kick in when needed.

LFR1100 Actives,QS10HPx2,QS8x2,EP800,M3x4,M3x2 (Wood),M5HPx2 (Wood),AxiomAir,ADA1500-8,ADA1500-7