Is it my amp not working?

Question

hi dont no if u can help but i have a problem with my sound system,

everything seems to be wired up correctly but my sub only seems to working as a speaker, and my 6x9's arnt producing any sound at all. My amp Led is on but im not convinced its working properly.

The whole system is kenwood, the amp is 1000w and the sub is 800w

does anyone have any ideas whats wrong?