You wrote:
Hi,With my KN 7000 I would like to install a amplified sub to sub out 1. so I will have a better base?
Because I am going to a place up north and I will play in a small area ,and I will not bring my amps,speakers etc...
If I can plug the amplified sub ,what will be the settings in my KN7000 ( I read the manual but I have a hard time to understand)
Thanks in advance

Most Subs have a crossover network which cuts the highs so just plugging into the R/L output will do the job. If your sub does not have a crossover go to Menu – Sound --- Separate sound settings. Here is where you will make your choice.

Years ago I used the Sub setting, one for drums (Right) and one for bass (Left) Stereo. All went well until I used a friend’s midi file, the subs were cancelled , I had no drum or bass sound just my right and left hand. A n d a floor of dancers that were staring.

I Hope this helps, John C.