Pa subwoofer series american audio sense principle active woofer size 15 inch design 1 way system speaker lf 1x 15 dimensions 430 x 550 x 550 mm weight 265 kg power rating rms 450 watts power handling programme 900 watt power handling peak 1 800 watt noise level 135 db impedance 8 ohm frequency response 45 200 hz sensitivity 102 dbmw type of connection speakon housing material wooden