1.active mini line array,loudspeaker,pro sound,pa system 2.light weight,easy install 3. ... , all of which forms an integrated system.Model: RS-400 active mini line array, loudspeaker, pro sound, pa system ComponentLF: (8"×2) x1pcMF/HF ... )R8: 890x540x540(mm)Net Weight65Kg/setGross Weight74/kg/set 4inch active mini line array,pro loudspeaker,PA system (RS-400)