Complex sentence: DVD-N504 (Europe), DVD N505 (Europe), and DVD-N591 (Korea); a Toshiba SD-2300 DVD player; and two RCA models, the DRC300N and DRC480N.
Split into simpler sentences: DVD-N504 (Europe), DVD N505 (Europe), and DVD-N591 (Korea). Toshiba released the SD-2300 DVD player, and there are two RCA models, the DRC300N and DRC480N.