Yamaha REFACE YC 37-Key Synthesizer with Yamaha SC Reface Gig Bag Featuring five different organ Waves, you can go from vintage tone wheel to transistor to classic Yamaha YC combo organ at the turn of a dial American tonewheel organ "British transistor organ" "Italian transistor organ" "Yamaha YC-45D"Japanese transistor organ" " Based on the FS action found on the flagship Motif XF, HQ (High Quality) Mini Keys provide premium feel and response for fast, accurate and natural playing 2W 3cm stereo speaker system lets you play any place, any time pecially designed bass reflex port technology enhances bass response for full, rich sound