Pa speaker active speaker series behringer eurolive principle active power 550 watt woofer size 15 inch design 2 way system constructions bi amping full range speakers lf 1x 15 hf 1x 135 dimensions h x b x t 695 x 440 x 335 mm weight 23 kg power rating rms 345 watts power handling peak 550 watt frequency response 55 20000 hz sensitivity 95 dbmw dispersion 70 x 40 type of connection 6 35mm trs case materials bass reflex weath