... power:120w/8Ohm 3.Sensitivity:108.5db 4.Stability Q SE250 professional speaker driver 1.7 inch pa tweeter 120W continuous program power ... of amplified sound system regularly every year, to communicate with audio insider and audio enthusiasts on the amplified sound system ... RoHS,GS,SGS,ISO9001 4) Superb R& D and test technology with CLIO, SMARRT, EASE FOCUS, MLSSA etc. 5) Provide technical training for ...