The P.Audio 3 LINE system is designed to provide easy to use,portable and great

sounding sound reinforcement for small events and conferences. The system consists

of the active XT-15A SUB, the 3 LINE-C column speaker , and the accessories needed

to link them together. The XT-15A SUB includes a 2 channel amplifier , enabling one 

channel to be fed to the 3 LINE-C column speaker. All of the DSP and dynamics 

processing for the system is handled by the XT-15A SUB