If you want better bass in a two-way, why not look at Tannoy? You don't mention a particular budget. The Tannoy Prestige line (especially the GR models) are particularly fine. I couldn't afford them so I built my own speakers using ca 1975 12" HPD drivers.
I can't recommend them highly enough.
Regards,
Dan
I can't recommend them highly enough.
Regards,
Dan