Wesay im not all focal, only Nauman bhai here is all focal.
I am Harman Kardon, Focal, Soundstream
Shahid Bhai is Focal, Adcom, Alpine
Sir if its in your budget then you definitely should go for it, sell your hertz and buy a sub in that money.
Maddy(madhouse12) bhai is selling his Orion Mono, old school SQ amp, you might wana get in touch with him, and get that amp to power your sub.