Pa speaker principle passive power 240 watt woofer size 10 inch design 2 way system construction full range speakers lf 1x 10 hf 1x dimensions 320 x 490 x 250 mm weight 61 kg power rating rms 120 watts noise level 116 db impedance 8 ohm frequency response 58 20000 hz sensitivity 94 dbmw type of connection speakon case material bass reflex housing material plastic