The Casio CTK-4000 is an affordable instrument with a 61 Key Piano Style Touch Sensitive Keyboard, 570 total onboard Tones, 180 Rhythms and Reverb plus Chorus Digital Effects. Packed with great features such as Casio's famous Step-up Lesson System, audio inputs for a MP3 player and a USB port for MIDI. All this makes CTK-4000 more realistic and exp[Read More]