Casio CTK-4000 61-Key Portable Keyboard with build in speakers.
CASIO CTK-4000 61-KEY PORTABLE KEYBOARD, 570 TONES, EFX, LESSONS, POLYPHONY, AC & BATTERY OPERATED The Casio CTK-4000 is an affordable instrument with a 61-Key Piano Style Touch Sensitive Keyboard with 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 an MP3 player and a USB port for MIDI. All this makes CTK-4000 more realistic and expressive than ever before at this price rang