Pa speaker active speaker pa monitor series img stage line pak principle active power 700 watt woofer size 12 inch design 2 way system constructions full range bi amping speakers hf 1x 2 lf 1x 12 dimensions 405 x 670 x 340 mm weight 173 kg power rating rms 450 watts noise level 124 db frequency response 40 20000 hz sensitivity 98 dbmw connections microphoneline type of connection xlr case material bass reflex housing material