[PLAN] 21 inch Line Array Subwoofer Large Format FOR HEAVY FELT BASS!
#Subwoofer #Subscribe #Linearray
30Hz ~ 70Hz use any 21" subwoofer it will work very well! WARNING! THIS CAN PRODUCE TREMENDOUS AMOUNT OF LOW FREQUENCY! IT CAN PERMANENTLY DAMAGE HEARING! MAKE SURE YOU ARE NOT STAYING IN THE IMMEDIATE VICINITY OF THIS SUBWOOFER! THIS SUBWOOFER CAN PRODUCE SPL LEVELS THAT ARE DETRIMENTAL TO HUMAN HEALTH KEEP SAFE! SUBSCRIBE! ENJOY THE BASS!