1.active mini line array,loudspeaker,pro sound,pa system 2.light weight,easy ... ,concert hall RS series, Compact line array sound reinforcement systemTitanium tweeters used in this system can ... can be adjusted by minimum 1” vertically.The active subwoofer is the result of combination of low ... an integrated system.Model: RS-400 active mini line array, loudspeaker, pro sound, pa system ComponentLF: (8"×2) ...