I have 2 of them---1000.1 and 150 x 4.The 1000.1 pushes 2 type 'R' 12" subs in a vented box.4 type 'R' 6.5" co-ax/1 set of 'R' 6.5" components,Headunit-9847 Alpine.Very clean and extremely loud.The type 'R' subs handle what my 12w6's don't with the new pdx 1000.1. Still have the w6's,though.You'll be happy!! They get 'Stupid Loud' !!!