Korg B1SP Digital Piano - Black – Londonderry Piano
KORG CONCERT C-900 – An Piano
Korg Concert C-15S for $100 on C-list. Had speaker issue I couldn't resolve, so I got a Dell laptop for $74, turned it into a Hackintosh with MainStage 3 : r/cheapkeys
Korg SP280 Concert Series Digital Piano with Spea | J.W. Pepper Sheet Music
Korg Concert C-15S 88 Note Weighted Keys Piano | eBay
Korg Concert 3500 Electronic Piano with Stand & Pedals | Reverb