yeah dont ask the DB question. TOO many factors come into play. it's near impossible to guess, and if you go lower you'll just be disappointed. there's a guy on here that has half the power, half the cone area (2 subs instead of 4) and he hits 3db's higher on the meter. derrick you bastard! so ima rebuild my box a couple times, hell might even cut down to 2 15's myself.