Very Sturdy box that held my 8" RE Audio re8 and it was just beautiful, Hit every note you would expect an 8" sub to hit and more.. I say the lowest frequency it would hit was around 38hz and below that it kinda went silent and I listen to rap and was very pleased..
Have a kicker solobaric 8 in this box. It's amazing how much it kicks and how clear the bass range is. Work every penny!