Eosone RSF 400 Floorstanding Speakers user reviews : 4.8 out of 5 - 4 reviews - audioreview.com
I was given these two Eosone RSF 1000 subwoofer speakers. They were a tight fit in my room (and they weigh a ton), but they sound amazing! : r/vintageaudio
Russound RSF-620 In-ceiling speakers at Crutchfield
Eosone RSF 600 Tower Loudspeaker System Manual | HiFi Engine