Quality:
Get covers if you do a lot of giging.

Sound:
A dual 18 under 200lbs with JBL's! You can't beat it. You need power to push them. I use Yamaha's p7000 amps and they do a great job at 4 ohms per cab you can only run 1 per side that gives you 1100w per cabs, and you don't need any external x-over because it's built into the amps. Idiot proof. I'm buying another pair so I can hear what 4 of these bad puppies can do. Best bang for the buck.

Ease of Use:
Easy on the back,and you don't need much EQing

Feature:
the components are JBL is weightless than the Electrovoice and run with any kind of power amp I use a Behringer 2400 and it's sound solid like a rock.

Quality:
It's solid, it's not carpet, is painted, but i don't care, to me, is the same !@#$%^&*().

Value:
the price is acceptable compare to others, It's worth any penny.

Sound:
this Sub make shake in everywhere. it's just a little bit down of the SRX700 series I recomended this sub for all applications. If you have a DBX Driverack PA or anything else, yuo can put this monster to sound like a SRX models.

Ease of Use:
Just Plug "n" Play

Support:
I don't think that this thing broke easy but if you are an amateur like" MANOLO" i be sure that you are gonna be in dangerous position because the JBL parts are expensive and your pocket will be destroyed.

Overall:
This is my final added to my equipment. Maybe to the next month i will buy the MRX 515 to match with this Babies.