Posted by a reviewer on Amazon

The subwoofer out is its only flaw its a joke and really in all practicality should not be used if you turn it up past say 14 it begins to distort no matter what level or quality of subwoofer you put on it also when you do turn on the sub out you get this bright and i mean bright blue led that flashes to the beat of the music quite annoying

Posted by a reviewer on Amazon

It would get 5 stars if the sub out was dedicated and not just for show

Posted by a reviewer on Amazon

Gives you basstreble control so that you can control how it sounds depending on the type of music

Posted by a reviewer on Amazon

Not sure if thats the correct term

Posted by a reviewer on Amazon

Basically it makes a noise when there is no soundmusic playing

Posted by a reviewer on Amazon

Dont let some of the negative reviews deter you from buying this

Posted by a reviewer on Amazon

Quick tip do not vent or make a port for air to come out

Posted by a reviewer on Amazon

Instructions are in chinese but if you have any common sense set up isnt difficult