Amazon.com: Casio Casiotone, 61-Key Portable Keyboard with USB (CT-S300) and M-Audio SP-2 - Universal Sustain Pedal with Piano Style Action For MIDI Keyboards, Digital Pianos & More : Musical Instruments
Casiotone CT-S Series as MIDI Controllers - General CT-S and LK-S Discussion - Casio Music Forums
Casio CT-S300 Casiotone Portable Keyboard – Tegeler Music