Pa speaker series img stage line mega principle active woofer size 8 inch design 2 way system speakers lf 1x 10 hf 1x 1 dimensions 290 x 480 x 313 mm weight 155 kg power rating rms 600 watts noise level 116 db frequency response 60 20000 hz sensitivity 95 dbmw connections microphoneline type of connection rcacinch stereo amplifier types class ab class d