Kicker Hideaway HS10

Hello I have a 2015 Chevy Silverado 1500 stock deck. I have a kicker hideaway H S10 2 of them. Just bought the second one yesterday. Hooked it up to the first and barely has any power. I'm wondering if I'm the problem why I'm not having any luck with these subs. Should I get a new deck? I'm not sure what to do if anybody could help me. That would be great, thank you.