The shamp is two months old it’s only been used a couple times on the amp Dino SMD it does 4900 W dynamic it is a half bridge dimensions are 24 x 9 x 2 1/2 it has a voltage meter on top of it I still have it in the box with the bullshit and warranty and to bass not I was gonna sell the amp for 300 but I need money quick to put into my system the same brand new it’s 400 but nobody has them in stock you can go to YouTube and search the make and model of the sample as well as Dino and you’ll see the results