Pa speaker principle passive woofer size 12 inch design 2 way system speakers lf 1x 12 hf 1x dimensions 690 x 450 x 315 mm power rating rms 200 watts power handling programme 350 watt power handling peak 700 watt noise level 124 db impedance 8 ohm frequency response 30 20000 hz sensitivity 95 dbmw types of connection 6 35mm trs clamp contacts case material bass reflex