... ,Professional Concert Loudspeaker professional speaker, pa system, audio equipment, pro audio, stage speaker, audio speaker, sound speaker, pro sound, pa speaker system.MI series are ... only high quality speakers . MODEL:MI-15System type :2 way 15 full rangeFrequency response:46Hz-20KHzDirectionalH*V:50°*80°Handling power ... (W*H*D):430*710*414(mm)Weight(kg):35kg speaker box