Everything in my system is from walmart except my head-unit and sub box, and it will make your ears bleed
I have a
Pioneer 12" sub in a sealed box
Xplod Amp
Front and Rear Xplod speakers
Alpine Head Unit
I've had this setup for a couple years and its still going strong, If I use the bass testers I have it will make the back of your neck and legs itch from your hair moving
EDIT: I had a 10" Xplod sub like the one in your original post, and it got muddy really fast, The Pioneer has been taking abuse for quite some time
The speakers aren't bad though, They're no Bose but they are very clear for the money