I’ll say Ascend Acoustics for sure. Not so sure you would consider 3000 dollar speakers ’high end ’ or not.. You rarely see them for sale. I listed a set a set of Raal Towers on AVS forum @ 5 o’clock in the evening. In the morning when I got up, 6 buyers were waiting in line to buy them. The one I let have them put in dibs one hour after I listed them ... And contrary to what someone said on here, they put zero in any type of advertizing.... I just wish they made a tower " on steroids "