Pa speaker series behringer eurolive principle passive woofer size 15 inch design 2 way system speaker lf 1x 15 dimensions 455 x 685 x 465 mm weight 219 kg power rating rms 150 watts power handling programme 300 watt power handling peak 600 watt impedance 8 ohm frequency response 50 20000 hz sensitivity 94 dbmw crossover frequency 3000 hz