You should be very happy with the Hsu sub.

I saw someone said they were unsure of eD. They have been big in the auto subwoofer game for many years and have been getting rave reviews of their home products since they entered the market a few years or so ago, they do know their stuff.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70