This is a small topic on this forum that I use for 4 years now;
It is a very robust enclosure, proper implementation, and beautiful finish qualitée and according to them weatherproof.
Power ratings: 350 Wrms / 700 ... Wprog / 8 ohms. these are real Watts
They are not amplified Crest CPX 1500 and it moves very very very strong.
It is used primarily for our rock band soundtrack (mostly the way back and sometimes guitar and bass drum). It is entirely made in Spain!
A 38 cm woofer with a vented magnet with a trunk large measurements + 1 "with a flag constent directivity.
A filter on pcb with two lamps protections for the trunk.
Das advocates of the verse to a sub: Sub18R or ST18.

I highly recommend this brand and model all the time.
The price of ~ 800 € is quite justified.
J'envisageré may be to buy 2 for double frontage.