A subscriber on youtube? Make good videos or subscribe to sobody and ask them to subscribe back.
Its when someone subscibes to another youtuber and they subscibe in return
No, it just means your desperate for subscribers, basically you're forcing people to subscribe without watching any of your videos. Or Yes,U can become a partner faster so u can get money So...
Sub 4 Sub means Subscribe for subscribe. That means, if you subscribe to their youtube channel, they will subscribe to yours.
In most applications you do need some form of box some companies make free air subwoofers that you might want to look up
it means you sub me and i sub you