Active speaker pa speaker pa monitor series behringer eurolive principle active power 1 500 watt woofer size 15 inch design 2 way system constructions bi amping full range speakers hf 1x 175 lf 1x 15 dimensions h x b x t 732 x 470 x 424 mm weight 262 kg noise level 126 db frequency response 50 18000 hz sensitivity 126 dbmw connections microphoneline stereo link type of connection xlr6 35mm trs combo housing material plastic amp