they are not faked like garbage brands man. In the proper box they will walk all over the type RKeep in mind that spec sheets aren't always 100% accurate... I'm not real familiar with soundcubed but there are some pretty commonly faked specs (power handling, SPL, and xmax to name a few).
I honestly may take this into consideration.Id make a baffle cut out for a pair of tens. Easy and cheap to do,jig saw,some screws and 5/8-3/4 MDF,and patience,wrap or paint, take like 2 hrs,and have a closer specked chamber for an SQ HDS310. Just my 0.02 cents with this box done cheaply,and sound decent