2495 watts @ 149.9 dB - (One SAZ-1500D on 17.9v)
So with just a hair over rated power I am darn near 150 dB on two Z15s.
Not too bad, huh ?
That 1500D sure is putting out the power... I averaged two 149.9 dB runs (2420 one run / 2570 the next) to get the above power figure.